Home / 26,724.12-36,879.12-14,787.24

Finding the Fourth Proportional to 26,724.12, 36,879.12 and 14,787.24

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Solution

The fourth proportional to 26,724.12, 36,879.12 and 14,787.24 is: 20,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,724.12 : 36,879.12 = 14,787.24 : x
  2. Step 2: Convert to fraction form
    26,724.12/36,879.12 = 14,787.24/x
  3. Step 3: Cross multiply
    26,724.12x = 36,879.12 × 14,787.24
  4. Step 4: Simplify right side
    26,724.12x = 545,340,398.43
  5. Step 5: Solve for x
    x = 545,340,398.43/26,724.12
  6. Step 6: Final answer
    x = 20,406.30

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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.