Home / 15,375.29-23,062.95-11,870.42

Finding the Fourth Proportional to 15,375.29, 23,062.95 and 11,870.42

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Solution

The fourth proportional to 15,375.29, 23,062.95 and 11,870.42 is: 17,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.29 : 23,062.95 = 11,870.42 : x
  2. Step 2: Convert to fraction form
    15,375.29/23,062.95 = 11,870.42/x
  3. Step 3: Cross multiply
    15,375.29x = 23,062.95 × 11,870.42
  4. Step 4: Simplify right side
    15,375.29x = 273,766,787.62
  5. Step 5: Solve for x
    x = 273,766,787.62/15,375.29
  6. Step 6: Final answer
    x = 17,805.64

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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.