Home / 22,775.06-34,115.40-13,386.75

Finding the Fourth Proportional to 22,775.06, 34,115.40 and 13,386.75

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Solution

The fourth proportional to 22,775.06, 34,115.40 and 13,386.75 is: 20,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.06 : 34,115.40 = 13,386.75 : x
  2. Step 2: Convert to fraction form
    22,775.06/34,115.40 = 13,386.75/x
  3. Step 3: Cross multiply
    22,775.06x = 34,115.40 × 13,386.75
  4. Step 4: Simplify right side
    22,775.06x = 456,694,330.95
  5. Step 5: Solve for x
    x = 456,694,330.95/22,775.06
  6. Step 6: Final answer
    x = 20,052.39

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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.