Home / 14,767.68-20,385.12-9,462.72

Finding the Fourth Proportional to 14,767.68, 20,385.12 and 9,462.72

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Solution

The fourth proportional to 14,767.68, 20,385.12 and 9,462.72 is: 13,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.68 : 20,385.12 = 9,462.72 : x
  2. Step 2: Convert to fraction form
    14,767.68/20,385.12 = 9,462.72/x
  3. Step 3: Cross multiply
    14,767.68x = 20,385.12 × 9,462.72
  4. Step 4: Simplify right side
    14,767.68x = 192,898,682.73
  5. Step 5: Solve for x
    x = 192,898,682.73/14,767.68
  6. Step 6: Final answer
    x = 13,062.22

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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.