Home / 15,987.96-22,056.88-10,612.92

Finding the Fourth Proportional to 15,987.96, 22,056.88 and 10,612.92

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Solution

The fourth proportional to 15,987.96, 22,056.88 and 10,612.92 is: 14,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.96 : 22,056.88 = 10,612.92 : x
  2. Step 2: Convert to fraction form
    15,987.96/22,056.88 = 10,612.92/x
  3. Step 3: Cross multiply
    15,987.96x = 22,056.88 × 10,612.92
  4. Step 4: Simplify right side
    15,987.96x = 234,087,902.89
  5. Step 5: Solve for x
    x = 234,087,902.89/15,987.96
  6. Step 6: Final answer
    x = 14,641.51

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Half scale
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Double scale
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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.