Home / 18,816.12-25,967.40-10,432.62

Finding the Fourth Proportional to 18,816.12, 25,967.40 and 10,432.62

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Solution

The fourth proportional to 18,816.12, 25,967.40 and 10,432.62 is: 14,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.12 : 25,967.40 = 10,432.62 : x
  2. Step 2: Convert to fraction form
    18,816.12/25,967.40 = 10,432.62/x
  3. Step 3: Cross multiply
    18,816.12x = 25,967.40 × 10,432.62
  4. Step 4: Simplify right side
    18,816.12x = 270,908,016.59
  5. Step 5: Solve for x
    x = 270,908,016.59/18,816.12
  6. Step 6: Final answer
    x = 14,397.66

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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.