Home / 16,957.20-23,392.68-9,881.04

Finding the Fourth Proportional to 16,957.20, 23,392.68 and 9,881.04

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Solution

The fourth proportional to 16,957.20, 23,392.68 and 9,881.04 is: 13,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.20 : 23,392.68 = 9,881.04 : x
  2. Step 2: Convert to fraction form
    16,957.20/23,392.68 = 9,881.04/x
  3. Step 3: Cross multiply
    16,957.20x = 23,392.68 × 9,881.04
  4. Step 4: Simplify right side
    16,957.20x = 231,144,006.79
  5. Step 5: Solve for x
    x = 231,144,006.79/16,957.20
  6. Step 6: Final answer
    x = 13,631.02

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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.