Home / 13,717.20-20,575.23-5,817.54

Finding the Fourth Proportional to 13,717.20, 20,575.23 and 5,817.54

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Solution

The fourth proportional to 13,717.20, 20,575.23 and 5,817.54 is: 8,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.20 : 20,575.23 = 5,817.54 : x
  2. Step 2: Convert to fraction form
    13,717.20/20,575.23 = 5,817.54/x
  3. Step 3: Cross multiply
    13,717.20x = 20,575.23 × 5,817.54
  4. Step 4: Simplify right side
    13,717.20x = 119,697,223.53
  5. Step 5: Solve for x
    x = 119,697,223.53/13,717.20
  6. Step 6: Final answer
    x = 8,726.07

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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.