Home / 13,712.49-20,535.93-13,023.59

Finding the Fourth Proportional to 13,712.49, 20,535.93 and 13,023.59

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Solution

The fourth proportional to 13,712.49, 20,535.93 and 13,023.59 is: 19,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.49 : 20,535.93 = 13,023.59 : x
  2. Step 2: Convert to fraction form
    13,712.49/20,535.93 = 13,023.59/x
  3. Step 3: Cross multiply
    13,712.49x = 20,535.93 × 13,023.59
  4. Step 4: Simplify right side
    13,712.49x = 267,451,429.91
  5. Step 5: Solve for x
    x = 267,451,429.91/13,712.49
  6. Step 6: Final answer
    x = 19,504.22

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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.