Home / 14,717.40-22,025.70-8,878.20

Finding the Fourth Proportional to 14,717.40, 22,025.70 and 8,878.20

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Solution

The fourth proportional to 14,717.40, 22,025.70 and 8,878.20 is: 13,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.40 : 22,025.70 = 8,878.20 : x
  2. Step 2: Convert to fraction form
    14,717.40/22,025.70 = 8,878.20/x
  3. Step 3: Cross multiply
    14,717.40x = 22,025.70 × 8,878.20
  4. Step 4: Simplify right side
    14,717.40x = 195,548,569.74
  5. Step 5: Solve for x
    x = 195,548,569.74/14,717.40
  6. Step 6: Final answer
    x = 13,286.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.