Home / 23,177.56-31,972.98-13,749.16

Finding the Fourth Proportional to 23,177.56, 31,972.98 and 13,749.16

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Solution

The fourth proportional to 23,177.56, 31,972.98 and 13,749.16 is: 18,966.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.56 : 31,972.98 = 13,749.16 : x
  2. Step 2: Convert to fraction form
    23,177.56/31,972.98 = 13,749.16/x
  3. Step 3: Cross multiply
    23,177.56x = 31,972.98 × 13,749.16
  4. Step 4: Simplify right side
    23,177.56x = 439,601,617.70
  5. Step 5: Solve for x
    x = 439,601,617.70/23,177.56
  6. Step 6: Final answer
    x = 18,966.69

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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.