Home / 22,920.30-34,380.48-6,280.47

Finding the Fourth Proportional to 22,920.30, 34,380.48 and 6,280.47

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Solution

The fourth proportional to 22,920.30, 34,380.48 and 6,280.47 is: 9,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.30 : 34,380.48 = 6,280.47 : x
  2. Step 2: Convert to fraction form
    22,920.30/34,380.48 = 6,280.47/x
  3. Step 3: Cross multiply
    22,920.30x = 34,380.48 × 6,280.47
  4. Step 4: Simplify right side
    22,920.30x = 215,925,573.23
  5. Step 5: Solve for x
    x = 215,925,573.23/22,920.30
  6. Step 6: Final answer
    x = 9,420.71

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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.