Home / 26,724.77-36,879.93-14,787.86

Finding the Fourth Proportional to 26,724.77, 36,879.93 and 14,787.86

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Solution

The fourth proportional to 26,724.77, 36,879.93 and 14,787.86 is: 20,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,724.77 : 36,879.93 = 14,787.86 : x
  2. Step 2: Convert to fraction form
    26,724.77/36,879.93 = 14,787.86/x
  3. Step 3: Cross multiply
    26,724.77x = 36,879.93 × 14,787.86
  4. Step 4: Simplify right side
    26,724.77x = 545,375,241.65
  5. Step 5: Solve for x
    x = 545,375,241.65/26,724.77
  6. Step 6: Final answer
    x = 20,407.11

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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.