Home / 18,816.92-25,966.33-10,432.88

Finding the Fourth Proportional to 18,816.92, 25,966.33 and 10,432.88

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Solution

The fourth proportional to 18,816.92, 25,966.33 and 10,432.88 is: 14,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.92 : 25,966.33 = 10,432.88 : x
  2. Step 2: Convert to fraction form
    18,816.92/25,966.33 = 10,432.88/x
  3. Step 3: Cross multiply
    18,816.92x = 25,966.33 × 10,432.88
  4. Step 4: Simplify right side
    18,816.92x = 270,903,449.02
  5. Step 5: Solve for x
    x = 270,903,449.02/18,816.92
  6. Step 6: Final answer
    x = 14,396.80

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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.