Home / 18,366.92-25,346.16-9,983.36

Finding the Fourth Proportional to 18,366.92, 25,346.16 and 9,983.36

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Solution

The fourth proportional to 18,366.92, 25,346.16 and 9,983.36 is: 13,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.92 : 25,346.16 = 9,983.36 : x
  2. Step 2: Convert to fraction form
    18,366.92/25,346.16 = 9,983.36/x
  3. Step 3: Cross multiply
    18,366.92x = 25,346.16 × 9,983.36
  4. Step 4: Simplify right side
    18,366.92x = 253,039,839.90
  5. Step 5: Solve for x
    x = 253,039,839.90/18,366.92
  6. Step 6: Final answer
    x = 13,776.93

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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.