Home / 42,615.66-63,923.44-11,450.91

Finding the Fourth Proportional to 42,615.66, 63,923.44 and 11,450.91

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Solution

The fourth proportional to 42,615.66, 63,923.44 and 11,450.91 is: 17,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,615.66 : 63,923.44 = 11,450.91 : x
  2. Step 2: Convert to fraction form
    42,615.66/63,923.44 = 11,450.91/x
  3. Step 3: Cross multiply
    42,615.66x = 63,923.44 × 11,450.91
  4. Step 4: Simplify right side
    42,615.66x = 731,981,529.70
  5. Step 5: Solve for x
    x = 731,981,529.70/42,615.66
  6. Step 6: Final answer
    x = 17,176.35

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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.