Home / 18,382.48-25,382.12-14,126.79

Finding the Fourth Proportional to 18,382.48, 25,382.12 and 14,126.79

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Solution

The fourth proportional to 18,382.48, 25,382.12 and 14,126.79 is: 19,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.48 : 25,382.12 = 14,126.79 : x
  2. Step 2: Convert to fraction form
    18,382.48/25,382.12 = 14,126.79/x
  3. Step 3: Cross multiply
    18,382.48x = 25,382.12 × 14,126.79
  4. Step 4: Simplify right side
    18,382.48x = 358,567,878.99
  5. Step 5: Solve for x
    x = 358,567,878.99/18,382.48
  6. Step 6: Final answer
    x = 19,505.96

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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.