Home / 26,712.18-36,865.56-15,382.14

Finding the Fourth Proportional to 26,712.18, 36,865.56 and 15,382.14

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Solution

The fourth proportional to 26,712.18, 36,865.56 and 15,382.14 is: 21,228.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.18 : 36,865.56 = 15,382.14 : x
  2. Step 2: Convert to fraction form
    26,712.18/36,865.56 = 15,382.14/x
  3. Step 3: Cross multiply
    26,712.18x = 36,865.56 × 15,382.14
  4. Step 4: Simplify right side
    26,712.18x = 567,071,205.10
  5. Step 5: Solve for x
    x = 567,071,205.10/26,712.18
  6. Step 6: Final answer
    x = 21,228.94

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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.