Home / 38,898.57-58,360.11-13,921.59

Finding the Fourth Proportional to 38,898.57, 58,360.11 and 13,921.59

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Solution

The fourth proportional to 38,898.57, 58,360.11 and 13,921.59 is: 20,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,898.57 : 58,360.11 = 13,921.59 : x
  2. Step 2: Convert to fraction form
    38,898.57/58,360.11 = 13,921.59/x
  3. Step 3: Cross multiply
    38,898.57x = 58,360.11 × 13,921.59
  4. Step 4: Simplify right side
    38,898.57x = 812,465,523.77
  5. Step 5: Solve for x
    x = 812,465,523.77/38,898.57
  6. Step 6: Final answer
    x = 20,886.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.