Home / 38,521.18-57,775.88-12,222.50

Finding the Fourth Proportional to 38,521.18, 57,775.88 and 12,222.50

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Solution

The fourth proportional to 38,521.18, 57,775.88 and 12,222.50 is: 18,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521.18 : 57,775.88 = 12,222.50 : x
  2. Step 2: Convert to fraction form
    38,521.18/57,775.88 = 12,222.50/x
  3. Step 3: Cross multiply
    38,521.18x = 57,775.88 × 12,222.50
  4. Step 4: Simplify right side
    38,521.18x = 706,165,693.30
  5. Step 5: Solve for x
    x = 706,165,693.30/38,521.18
  6. Step 6: Final answer
    x = 18,331.88

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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.