Home / 18,366.69-25,346.23-9,983.19

Finding the Fourth Proportional to 18,366.69, 25,346.23 and 9,983.19

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Solution

The fourth proportional to 18,366.69, 25,346.23 and 9,983.19 is: 13,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.69 : 25,346.23 = 9,983.19 : x
  2. Step 2: Convert to fraction form
    18,366.69/25,346.23 = 9,983.19/x
  3. Step 3: Cross multiply
    18,366.69x = 25,346.23 × 9,983.19
  4. Step 4: Simplify right side
    18,366.69x = 253,036,229.87
  5. Step 5: Solve for x
    x = 253,036,229.87/18,366.69
  6. Step 6: Final answer
    x = 13,776.91

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Half scale
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Double scale
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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.