Home / 18,818.08-25,967.28-10,432.96

Finding the Fourth Proportional to 18,818.08, 25,967.28 and 10,432.96

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Solution

The fourth proportional to 18,818.08, 25,967.28 and 10,432.96 is: 14,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.08 : 25,967.28 = 10,432.96 : x
  2. Step 2: Convert to fraction form
    18,818.08/25,967.28 = 10,432.96/x
  3. Step 3: Cross multiply
    18,818.08x = 25,967.28 × 10,432.96
  4. Step 4: Simplify right side
    18,818.08x = 270,915,593.55
  5. Step 5: Solve for x
    x = 270,915,593.55/18,818.08
  6. Step 6: Final answer
    x = 14,396.56

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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.