Home / 13,542.24-18,677.76-9,064.56

Finding the Fourth Proportional to 13,542.24, 18,677.76 and 9,064.56

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Solution

The fourth proportional to 13,542.24, 18,677.76 and 9,064.56 is: 12,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.24 : 18,677.76 = 9,064.56 : x
  2. Step 2: Convert to fraction form
    13,542.24/18,677.76 = 9,064.56/x
  3. Step 3: Cross multiply
    13,542.24x = 18,677.76 × 9,064.56
  4. Step 4: Simplify right side
    13,542.24x = 169,305,676.19
  5. Step 5: Solve for x
    x = 169,305,676.19/13,542.24
  6. Step 6: Final answer
    x = 12,502.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.