Home / 14,920.56-22,380.40-3,827.28

Finding the Fourth Proportional to 14,920.56, 22,380.40 and 3,827.28

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Solution

The fourth proportional to 14,920.56, 22,380.40 and 3,827.28 is: 5,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.56 : 22,380.40 = 3,827.28 : x
  2. Step 2: Convert to fraction form
    14,920.56/22,380.40 = 3,827.28/x
  3. Step 3: Cross multiply
    14,920.56x = 22,380.40 × 3,827.28
  4. Step 4: Simplify right side
    14,920.56x = 85,656,057.31
  5. Step 5: Solve for x
    x = 85,656,057.31/14,920.56
  6. Step 6: Final answer
    x = 5,740.81

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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.