Home / 25,643.62-38,443.35-10,057.54

Finding the Fourth Proportional to 25,643.62, 38,443.35 and 10,057.54

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Solution

The fourth proportional to 25,643.62, 38,443.35 and 10,057.54 is: 15,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.62 : 38,443.35 = 10,057.54 : x
  2. Step 2: Convert to fraction form
    25,643.62/38,443.35 = 10,057.54/x
  3. Step 3: Cross multiply
    25,643.62x = 38,443.35 × 10,057.54
  4. Step 4: Simplify right side
    25,643.62x = 386,645,530.36
  5. Step 5: Solve for x
    x = 386,645,530.36/25,643.62
  6. Step 6: Final answer
    x = 15,077.65

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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.