Home / 14,931.46-22,402.05-7,140.88

Finding the Fourth Proportional to 14,931.46, 22,402.05 and 7,140.88

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Solution

The fourth proportional to 14,931.46, 22,402.05 and 7,140.88 is: 10,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.46 : 22,402.05 = 7,140.88 : x
  2. Step 2: Convert to fraction form
    14,931.46/22,402.05 = 7,140.88/x
  3. Step 3: Cross multiply
    14,931.46x = 22,402.05 × 7,140.88
  4. Step 4: Simplify right side
    14,931.46x = 159,970,350.80
  5. Step 5: Solve for x
    x = 159,970,350.80/14,931.46
  6. Step 6: Final answer
    x = 10,713.64

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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.