Home / 38,131.92-57,164.04-14,422.91

Finding the Fourth Proportional to 38,131.92, 57,164.04 and 14,422.91

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Solution

The fourth proportional to 38,131.92, 57,164.04 and 14,422.91 is: 21,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.92 : 57,164.04 = 14,422.91 : x
  2. Step 2: Convert to fraction form
    38,131.92/57,164.04 = 14,422.91/x
  3. Step 3: Cross multiply
    38,131.92x = 57,164.04 × 14,422.91
  4. Step 4: Simplify right side
    38,131.92x = 824,471,518.34
  5. Step 5: Solve for x
    x = 824,471,518.34/38,131.92
  6. Step 6: Final answer
    x = 21,621.56

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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.