Home / 15,160.38-22,712.86-10,990.04

Finding the Fourth Proportional to 15,160.38, 22,712.86 and 10,990.04

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Solution

The fourth proportional to 15,160.38, 22,712.86 and 10,990.04 is: 16,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,160.38 : 22,712.86 = 10,990.04 : x
  2. Step 2: Convert to fraction form
    15,160.38/22,712.86 = 10,990.04/x
  3. Step 3: Cross multiply
    15,160.38x = 22,712.86 × 10,990.04
  4. Step 4: Simplify right side
    15,160.38x = 249,615,184.96
  5. Step 5: Solve for x
    x = 249,615,184.96/15,160.38
  6. Step 6: Final answer
    x = 16,464.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.