Home / 21,587.66-32,321.70-11,034.97

Finding the Fourth Proportional to 21,587.66, 32,321.70 and 11,034.97

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Solution

The fourth proportional to 21,587.66, 32,321.70 and 11,034.97 is: 16,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.66 : 32,321.70 = 11,034.97 : x
  2. Step 2: Convert to fraction form
    21,587.66/32,321.70 = 11,034.97/x
  3. Step 3: Cross multiply
    21,587.66x = 32,321.70 × 11,034.97
  4. Step 4: Simplify right side
    21,587.66x = 356,668,909.04
  5. Step 5: Solve for x
    x = 356,668,909.04/21,587.66
  6. Step 6: Final answer
    x = 16,521.89

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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.