Home / 14,966.32-20,653.56-8,251.79

Finding the Fourth Proportional to 14,966.32, 20,653.56 and 8,251.79

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Solution

The fourth proportional to 14,966.32, 20,653.56 and 8,251.79 is: 11,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,966.32 : 20,653.56 = 8,251.79 : x
  2. Step 2: Convert to fraction form
    14,966.32/20,653.56 = 8,251.79/x
  3. Step 3: Cross multiply
    14,966.32x = 20,653.56 × 8,251.79
  4. Step 4: Simplify right side
    14,966.32x = 170,428,839.87
  5. Step 5: Solve for x
    x = 170,428,839.87/14,966.32
  6. Step 6: Final answer
    x = 11,387.49

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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.