Home / 25,891.10-35,703.15-18,335.42

Finding the Fourth Proportional to 25,891.10, 35,703.15 and 18,335.42

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Solution

The fourth proportional to 25,891.10, 35,703.15 and 18,335.42 is: 25,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.10 : 35,703.15 = 18,335.42 : x
  2. Step 2: Convert to fraction form
    25,891.10/35,703.15 = 18,335.42/x
  3. Step 3: Cross multiply
    25,891.10x = 35,703.15 × 18,335.42
  4. Step 4: Simplify right side
    25,891.10x = 654,632,250.57
  5. Step 5: Solve for x
    x = 654,632,250.57/25,891.10
  6. Step 6: Final answer
    x = 25,284.06

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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.