Home / 16,955.92-23,399.28-9,402.88

Finding the Fourth Proportional to 16,955.92, 23,399.28 and 9,402.88

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Solution

The fourth proportional to 16,955.92, 23,399.28 and 9,402.88 is: 12,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.92 : 23,399.28 = 9,402.88 : x
  2. Step 2: Convert to fraction form
    16,955.92/23,399.28 = 9,402.88/x
  3. Step 3: Cross multiply
    16,955.92x = 23,399.28 × 9,402.88
  4. Step 4: Simplify right side
    16,955.92x = 220,020,621.93
  5. Step 5: Solve for x
    x = 220,020,621.93/16,955.92
  6. Step 6: Final answer
    x = 12,976.04

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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.