Home / 21,586.30-32,358.67-11,061.29

Finding the Fourth Proportional to 21,586.30, 32,358.67 and 11,061.29

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Solution

The fourth proportional to 21,586.30, 32,358.67 and 11,061.29 is: 16,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.30 : 32,358.67 = 11,061.29 : x
  2. Step 2: Convert to fraction form
    21,586.30/32,358.67 = 11,061.29/x
  3. Step 3: Cross multiply
    21,586.30x = 32,358.67 × 11,061.29
  4. Step 4: Simplify right side
    21,586.30x = 357,928,686.13
  5. Step 5: Solve for x
    x = 357,928,686.13/21,586.30
  6. Step 6: Final answer
    x = 16,581.29

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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.