Home / 14,820.71-20,452.59-9,154.15

Finding the Fourth Proportional to 14,820.71, 20,452.59 and 9,154.15

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Solution

The fourth proportional to 14,820.71, 20,452.59 and 9,154.15 is: 12,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.71 : 20,452.59 = 9,154.15 : x
  2. Step 2: Convert to fraction form
    14,820.71/20,452.59 = 9,154.15/x
  3. Step 3: Cross multiply
    14,820.71x = 20,452.59 × 9,154.15
  4. Step 4: Simplify right side
    14,820.71x = 187,226,025.62
  5. Step 5: Solve for x
    x = 187,226,025.62/14,820.71
  6. Step 6: Final answer
    x = 12,632.73

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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.