Home / 13,588.24-20,352.24-10,445.11

Finding the Fourth Proportional to 13,588.24, 20,352.24 and 10,445.11

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Solution

The fourth proportional to 13,588.24, 20,352.24 and 10,445.11 is: 15,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.24 : 20,352.24 = 10,445.11 : x
  2. Step 2: Convert to fraction form
    13,588.24/20,352.24 = 10,445.11/x
  3. Step 3: Cross multiply
    13,588.24x = 20,352.24 × 10,445.11
  4. Step 4: Simplify right side
    13,588.24x = 212,581,385.55
  5. Step 5: Solve for x
    x = 212,581,385.55/13,588.24
  6. Step 6: Final answer
    x = 15,644.51

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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.