Home / 38,895.19-58,342.78-13,936.76

Finding the Fourth Proportional to 38,895.19, 58,342.78 and 13,936.76

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Solution

The fourth proportional to 38,895.19, 58,342.78 and 13,936.76 is: 20,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,895.19 : 58,342.78 = 13,936.76 : x
  2. Step 2: Convert to fraction form
    38,895.19/58,342.78 = 13,936.76/x
  3. Step 3: Cross multiply
    38,895.19x = 58,342.78 × 13,936.76
  4. Step 4: Simplify right side
    38,895.19x = 813,109,267.09
  5. Step 5: Solve for x
    x = 813,109,267.09/38,895.19
  6. Step 6: Final answer
    x = 20,905.14

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Similar ratio
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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.