Home / 13,432.87-18,542.32-11,536.83

Finding the Fourth Proportional to 13,432.87, 18,542.32 and 11,536.83

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Solution

The fourth proportional to 13,432.87, 18,542.32 and 11,536.83 is: 15,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.87 : 18,542.32 = 11,536.83 : x
  2. Step 2: Convert to fraction form
    13,432.87/18,542.32 = 11,536.83/x
  3. Step 3: Cross multiply
    13,432.87x = 18,542.32 × 11,536.83
  4. Step 4: Simplify right side
    13,432.87x = 213,919,564.80
  5. Step 5: Solve for x
    x = 213,919,564.80/13,432.87
  6. Step 6: Final answer
    x = 15,925.08

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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.