Home / 25,342.12-38,013.18-17,556.40

Finding the Fourth Proportional to 25,342.12, 38,013.18 and 17,556.40

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Solution

The fourth proportional to 25,342.12, 38,013.18 and 17,556.40 is: 26,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342.12 : 38,013.18 = 17,556.40 : x
  2. Step 2: Convert to fraction form
    25,342.12/38,013.18 = 17,556.40/x
  3. Step 3: Cross multiply
    25,342.12x = 38,013.18 × 17,556.40
  4. Step 4: Simplify right side
    25,342.12x = 667,374,593.35
  5. Step 5: Solve for x
    x = 667,374,593.35/25,342.12
  6. Step 6: Final answer
    x = 26,334.60

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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.