Home / 38,123.93-57,193.54-13,164.90

Finding the Fourth Proportional to 38,123.93, 57,193.54 and 13,164.90

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Solution

The fourth proportional to 38,123.93, 57,193.54 and 13,164.90 is: 19,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,123.93 : 57,193.54 = 13,164.90 : x
  2. Step 2: Convert to fraction form
    38,123.93/57,193.54 = 13,164.90/x
  3. Step 3: Cross multiply
    38,123.93x = 57,193.54 × 13,164.90
  4. Step 4: Simplify right side
    38,123.93x = 752,947,061.41
  5. Step 5: Solve for x
    x = 752,947,061.41/38,123.93
  6. Step 6: Final answer
    x = 19,749.98

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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.