Home / 29,115.18-43,684.11-11,586.78

Finding the Fourth Proportional to 29,115.18, 43,684.11 and 11,586.78

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Solution

The fourth proportional to 29,115.18, 43,684.11 and 11,586.78 is: 17,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.18 : 43,684.11 = 11,586.78 : x
  2. Step 2: Convert to fraction form
    29,115.18/43,684.11 = 11,586.78/x
  3. Step 3: Cross multiply
    29,115.18x = 43,684.11 × 11,586.78
  4. Step 4: Simplify right side
    29,115.18x = 506,158,172.07
  5. Step 5: Solve for x
    x = 506,158,172.07/29,115.18
  6. Step 6: Final answer
    x = 17,384.68

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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.