Home / 18,816.43-25,966.71-10,432.93

Finding the Fourth Proportional to 18,816.43, 25,966.71 and 10,432.93

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Solution

The fourth proportional to 18,816.43, 25,966.71 and 10,432.93 is: 14,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.43 : 25,966.71 = 10,432.93 : x
  2. Step 2: Convert to fraction form
    18,816.43/25,966.71 = 10,432.93/x
  3. Step 3: Cross multiply
    18,816.43x = 25,966.71 × 10,432.93
  4. Step 4: Simplify right side
    18,816.43x = 270,908,867.76
  5. Step 5: Solve for x
    x = 270,908,867.76/18,816.43
  6. Step 6: Final answer
    x = 14,397.46

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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.