Home / 16,107.85-22,221.18-10,732.79

Finding the Fourth Proportional to 16,107.85, 22,221.18 and 10,732.79

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Solution

The fourth proportional to 16,107.85, 22,221.18 and 10,732.79 is: 14,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,107.85 : 22,221.18 = 10,732.79 : x
  2. Step 2: Convert to fraction form
    16,107.85/22,221.18 = 10,732.79/x
  3. Step 3: Cross multiply
    16,107.85x = 22,221.18 × 10,732.79
  4. Step 4: Simplify right side
    16,107.85x = 238,495,258.49
  5. Step 5: Solve for x
    x = 238,495,258.49/16,107.85
  6. Step 6: Final answer
    x = 14,806.15

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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.