Home / 26,724.66-36,879.90-14,787.30

Finding the Fourth Proportional to 26,724.66, 36,879.90 and 14,787.30

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Solution

The fourth proportional to 26,724.66, 36,879.90 and 14,787.30 is: 20,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,724.66 : 36,879.90 = 14,787.30 : x
  2. Step 2: Convert to fraction form
    26,724.66/36,879.90 = 14,787.30/x
  3. Step 3: Cross multiply
    26,724.66x = 36,879.90 × 14,787.30
  4. Step 4: Simplify right side
    26,724.66x = 545,354,145.27
  5. Step 5: Solve for x
    x = 545,354,145.27/26,724.66
  6. Step 6: Final answer
    x = 20,406.40

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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.