Home / 15,139.26-22,643.13-8,884.38

Finding the Fourth Proportional to 15,139.26, 22,643.13 and 8,884.38

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Solution

The fourth proportional to 15,139.26, 22,643.13 and 8,884.38 is: 13,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.26 : 22,643.13 = 8,884.38 : x
  2. Step 2: Convert to fraction form
    15,139.26/22,643.13 = 8,884.38/x
  3. Step 3: Cross multiply
    15,139.26x = 22,643.13 × 8,884.38
  4. Step 4: Simplify right side
    15,139.26x = 201,170,171.31
  5. Step 5: Solve for x
    x = 201,170,171.31/15,139.26
  6. Step 6: Final answer
    x = 13,287.98

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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.