Home / 23,008.66-31,751.12-12,937.68

Finding the Fourth Proportional to 23,008.66, 31,751.12 and 12,937.68

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Solution

The fourth proportional to 23,008.66, 31,751.12 and 12,937.68 is: 17,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,008.66 : 31,751.12 = 12,937.68 : x
  2. Step 2: Convert to fraction form
    23,008.66/31,751.12 = 12,937.68/x
  3. Step 3: Cross multiply
    23,008.66x = 31,751.12 × 12,937.68
  4. Step 4: Simplify right side
    23,008.66x = 410,785,862.55
  5. Step 5: Solve for x
    x = 410,785,862.55/23,008.66
  6. Step 6: Final answer
    x = 17,853.53

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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.