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Finding the Fourth Proportional to 15,998.25, 22,077.62 and 8,925.13

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Solution

The fourth proportional to 15,998.25, 22,077.62 and 8,925.13 is: 12,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.25 : 22,077.62 = 8,925.13 : x
  2. Step 2: Convert to fraction form
    15,998.25/22,077.62 = 8,925.13/x
  3. Step 3: Cross multiply
    15,998.25x = 22,077.62 × 8,925.13
  4. Step 4: Simplify right side
    15,998.25x = 197,045,628.59
  5. Step 5: Solve for x
    x = 197,045,628.59/15,998.25
  6. Step 6: Final answer
    x = 12,316.70

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Half scale
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Double scale
Find fourth proportional to 15,999.25, 22,079 and 8,926.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.