Home / 15,907.93-23,862.57-5,378.20

Finding the Fourth Proportional to 15,907.93, 23,862.57 and 5,378.20

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Solution

The fourth proportional to 15,907.93, 23,862.57 and 5,378.20 is: 8,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.93 : 23,862.57 = 5,378.20 : x
  2. Step 2: Convert to fraction form
    15,907.93/23,862.57 = 5,378.20/x
  3. Step 3: Cross multiply
    15,907.93x = 23,862.57 × 5,378.20
  4. Step 4: Simplify right side
    15,907.93x = 128,337,673.97
  5. Step 5: Solve for x
    x = 128,337,673.97/15,907.93
  6. Step 6: Final answer
    x = 8,067.53

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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.