Home / 15,154.40-22,731.36-4,766.24

Finding the Fourth Proportional to 15,154.40, 22,731.36 and 4,766.24

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Solution

The fourth proportional to 15,154.40, 22,731.36 and 4,766.24 is: 7,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,154.40 : 22,731.36 = 4,766.24 : x
  2. Step 2: Convert to fraction form
    15,154.40/22,731.36 = 4,766.24/x
  3. Step 3: Cross multiply
    15,154.40x = 22,731.36 × 4,766.24
  4. Step 4: Simplify right side
    15,154.40x = 108,343,117.29
  5. Step 5: Solve for x
    x = 108,343,117.29/15,154.40
  6. Step 6: Final answer
    x = 7,149.28

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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.