Home / 26,724.72-36,879.57-14,787.35

Finding the Fourth Proportional to 26,724.72, 36,879.57 and 14,787.35

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Solution

The fourth proportional to 26,724.72, 36,879.57 and 14,787.35 is: 20,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,724.72 : 36,879.57 = 14,787.35 : x
  2. Step 2: Convert to fraction form
    26,724.72/36,879.57 = 14,787.35/x
  3. Step 3: Cross multiply
    26,724.72x = 36,879.57 × 14,787.35
  4. Step 4: Simplify right side
    26,724.72x = 545,351,109.44
  5. Step 5: Solve for x
    x = 545,351,109.44/26,724.72
  6. Step 6: Final answer
    x = 20,406.24

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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.