Home / 22,767.24-31,418.64-12,695.80

Finding the Fourth Proportional to 22,767.24, 31,418.64 and 12,695.80

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Solution

The fourth proportional to 22,767.24, 31,418.64 and 12,695.80 is: 17,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,767.24 : 31,418.64 = 12,695.80 : x
  2. Step 2: Convert to fraction form
    22,767.24/31,418.64 = 12,695.80/x
  3. Step 3: Cross multiply
    22,767.24x = 31,418.64 × 12,695.80
  4. Step 4: Simplify right side
    22,767.24x = 398,884,769.71
  5. Step 5: Solve for x
    x = 398,884,769.71/22,767.24
  6. Step 6: Final answer
    x = 17,520.12

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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.