Home / 38,905.08-58,355.68-13,944.72

Finding the Fourth Proportional to 38,905.08, 58,355.68 and 13,944.72

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Solution

The fourth proportional to 38,905.08, 58,355.68 and 13,944.72 is: 20,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,905.08 : 58,355.68 = 13,944.72 : x
  2. Step 2: Convert to fraction form
    38,905.08/58,355.68 = 13,944.72/x
  3. Step 3: Cross multiply
    38,905.08x = 58,355.68 × 13,944.72
  4. Step 4: Simplify right side
    38,905.08x = 813,753,618.01
  5. Step 5: Solve for x
    x = 813,753,618.01/38,905.08
  6. Step 6: Final answer
    x = 20,916.38

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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.