Home / 25,448.10-35,118.74-15,375.14

Finding the Fourth Proportional to 25,448.10, 35,118.74 and 15,375.14

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Solution

The fourth proportional to 25,448.10, 35,118.74 and 15,375.14 is: 21,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.10 : 35,118.74 = 15,375.14 : x
  2. Step 2: Convert to fraction form
    25,448.10/35,118.74 = 15,375.14/x
  3. Step 3: Cross multiply
    25,448.10x = 35,118.74 × 15,375.14
  4. Step 4: Simplify right side
    25,448.10x = 539,955,544.12
  5. Step 5: Solve for x
    x = 539,955,544.12/25,448.10
  6. Step 6: Final answer
    x = 21,217.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.