Home / 21,555.72-32,337.27-11,032.65

Finding the Fourth Proportional to 21,555.72, 32,337.27 and 11,032.65

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Solution

The fourth proportional to 21,555.72, 32,337.27 and 11,032.65 is: 16,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.72 : 32,337.27 = 11,032.65 : x
  2. Step 2: Convert to fraction form
    21,555.72/32,337.27 = 11,032.65/x
  3. Step 3: Cross multiply
    21,555.72x = 32,337.27 × 11,032.65
  4. Step 4: Simplify right side
    21,555.72x = 356,765,781.87
  5. Step 5: Solve for x
    x = 356,765,781.87/21,555.72
  6. Step 6: Final answer
    x = 16,550.86

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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.