Home / 13,445.22-20,167.38-5,124.94

Finding the Fourth Proportional to 13,445.22, 20,167.38 and 5,124.94

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Solution

The fourth proportional to 13,445.22, 20,167.38 and 5,124.94 is: 7,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.22 : 20,167.38 = 5,124.94 : x
  2. Step 2: Convert to fraction form
    13,445.22/20,167.38 = 5,124.94/x
  3. Step 3: Cross multiply
    13,445.22x = 20,167.38 × 5,124.94
  4. Step 4: Simplify right side
    13,445.22x = 103,356,562.04
  5. Step 5: Solve for x
    x = 103,356,562.04/13,445.22
  6. Step 6: Final answer
    x = 7,687.23

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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.