Home / 14,955.76-20,634.42-8,666.92

Finding the Fourth Proportional to 14,955.76, 20,634.42 and 8,666.92

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Solution

The fourth proportional to 14,955.76, 20,634.42 and 8,666.92 is: 11,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.76 : 20,634.42 = 8,666.92 : x
  2. Step 2: Convert to fraction form
    14,955.76/20,634.42 = 8,666.92/x
  3. Step 3: Cross multiply
    14,955.76x = 20,634.42 × 8,666.92
  4. Step 4: Simplify right side
    14,955.76x = 178,836,867.39
  5. Step 5: Solve for x
    x = 178,836,867.39/14,955.76
  6. Step 6: Final answer
    x = 11,957.73

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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.