Home / 25,712.82-35,483.40-15,103.44

Finding the Fourth Proportional to 25,712.82, 35,483.40 and 15,103.44

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Solution

The fourth proportional to 25,712.82, 35,483.40 and 15,103.44 is: 20,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,712.82 : 35,483.40 = 15,103.44 : x
  2. Step 2: Convert to fraction form
    25,712.82/35,483.40 = 15,103.44/x
  3. Step 3: Cross multiply
    25,712.82x = 35,483.40 × 15,103.44
  4. Step 4: Simplify right side
    25,712.82x = 535,921,402.90
  5. Step 5: Solve for x
    x = 535,921,402.90/25,712.82
  6. Step 6: Final answer
    x = 20,842.58

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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.