Home / 15,429.55-23,144.33-3,742.77

Finding the Fourth Proportional to 15,429.55, 23,144.33 and 3,742.77

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Solution

The fourth proportional to 15,429.55, 23,144.33 and 3,742.77 is: 5,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.55 : 23,144.33 = 3,742.77 : x
  2. Step 2: Convert to fraction form
    15,429.55/23,144.33 = 3,742.77/x
  3. Step 3: Cross multiply
    15,429.55x = 23,144.33 × 3,742.77
  4. Step 4: Simplify right side
    15,429.55x = 86,623,903.99
  5. Step 5: Solve for x
    x = 86,623,903.99/15,429.55
  6. Step 6: Final answer
    x = 5,614.16

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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.