Home / 16,957.12-23,402.40-9,505.12

Finding the Fourth Proportional to 16,957.12, 23,402.40 and 9,505.12

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Solution

The fourth proportional to 16,957.12, 23,402.40 and 9,505.12 is: 13,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.12 : 23,402.40 = 9,505.12 : x
  2. Step 2: Convert to fraction form
    16,957.12/23,402.40 = 9,505.12/x
  3. Step 3: Cross multiply
    16,957.12x = 23,402.40 × 9,505.12
  4. Step 4: Simplify right side
    16,957.12x = 222,442,620.29
  5. Step 5: Solve for x
    x = 222,442,620.29/16,957.12
  6. Step 6: Final answer
    x = 13,117.95

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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.