Home / 13,265.52-18,302.70-8,552.56

Finding the Fourth Proportional to 13,265.52, 18,302.70 and 8,552.56

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Solution

The fourth proportional to 13,265.52, 18,302.70 and 8,552.56 is: 11,800.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.52 : 18,302.70 = 8,552.56 : x
  2. Step 2: Convert to fraction form
    13,265.52/18,302.70 = 8,552.56/x
  3. Step 3: Cross multiply
    13,265.52x = 18,302.70 × 8,552.56
  4. Step 4: Simplify right side
    13,265.52x = 156,534,939.91
  5. Step 5: Solve for x
    x = 156,534,939.91/13,265.52
  6. Step 6: Final answer
    x = 11,800.14

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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.