Home / 15,382.44-23,043.78-9,042.12

Finding the Fourth Proportional to 15,382.44, 23,043.78 and 9,042.12

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Solution

The fourth proportional to 15,382.44, 23,043.78 and 9,042.12 is: 13,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.44 : 23,043.78 = 9,042.12 : x
  2. Step 2: Convert to fraction form
    15,382.44/23,043.78 = 9,042.12/x
  3. Step 3: Cross multiply
    15,382.44x = 23,043.78 × 9,042.12
  4. Step 4: Simplify right side
    15,382.44x = 208,364,624.01
  5. Step 5: Solve for x
    x = 208,364,624.01/15,382.44
  6. Step 6: Final answer
    x = 13,545.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.