Home / 23,134.16-31,923.90-13,572.74

Finding the Fourth Proportional to 23,134.16, 31,923.90 and 13,572.74

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Solution

The fourth proportional to 23,134.16, 31,923.90 and 13,572.74 is: 18,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,134.16 : 31,923.90 = 13,572.74 : x
  2. Step 2: Convert to fraction form
    23,134.16/31,923.90 = 13,572.74/x
  3. Step 3: Cross multiply
    23,134.16x = 31,923.90 × 13,572.74
  4. Step 4: Simplify right side
    23,134.16x = 433,294,794.49
  5. Step 5: Solve for x
    x = 433,294,794.49/23,134.16
  6. Step 6: Final answer
    x = 18,729.65

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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.