Home / 13,542.32-20,301.06-8,597

Finding the Fourth Proportional to 13,542.32, 20,301.06 and 8,597

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Solution

The fourth proportional to 13,542.32, 20,301.06 and 8,597 is: 12,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.32 : 20,301.06 = 8,597 : x
  2. Step 2: Convert to fraction form
    13,542.32/20,301.06 = 8,597/x
  3. Step 3: Cross multiply
    13,542.32x = 20,301.06 × 8,597
  4. Step 4: Simplify right side
    13,542.32x = 174,528,212.82
  5. Step 5: Solve for x
    x = 174,528,212.82/13,542.32
  6. Step 6: Final answer
    x = 12,887.62

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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.