Home / 16,191.04-22,341.16-9,117.28

Finding the Fourth Proportional to 16,191.04, 22,341.16 and 9,117.28

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Solution

The fourth proportional to 16,191.04, 22,341.16 and 9,117.28 is: 12,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.04 : 22,341.16 = 9,117.28 : x
  2. Step 2: Convert to fraction form
    16,191.04/22,341.16 = 9,117.28/x
  3. Step 3: Cross multiply
    16,191.04x = 22,341.16 × 9,117.28
  4. Step 4: Simplify right side
    16,191.04x = 203,690,611.24
  5. Step 5: Solve for x
    x = 203,690,611.24/16,191.04
  6. Step 6: Final answer
    x = 12,580.45

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Half scale
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Double scale
Find fourth proportional to 16,192.04, 22,342.54 and 9,118.28
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.