Home / 25,531.29-35,223.42-18,832.95

Finding the Fourth Proportional to 25,531.29, 35,223.42 and 18,832.95

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Solution

The fourth proportional to 25,531.29, 35,223.42 and 18,832.95 is: 25,982.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.29 : 35,223.42 = 18,832.95 : x
  2. Step 2: Convert to fraction form
    25,531.29/35,223.42 = 18,832.95/x
  3. Step 3: Cross multiply
    25,531.29x = 35,223.42 × 18,832.95
  4. Step 4: Simplify right side
    25,531.29x = 663,360,907.69
  5. Step 5: Solve for x
    x = 663,360,907.69/25,531.29
  6. Step 6: Final answer
    x = 25,982.27

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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.