Home / 25,799.76-35,603.68-15,195.92

Finding the Fourth Proportional to 25,799.76, 35,603.68 and 15,195.92

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Solution

The fourth proportional to 25,799.76, 35,603.68 and 15,195.92 is: 20,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,799.76 : 35,603.68 = 15,195.92 : x
  2. Step 2: Convert to fraction form
    25,799.76/35,603.68 = 15,195.92/x
  3. Step 3: Cross multiply
    25,799.76x = 35,603.68 × 15,195.92
  4. Step 4: Simplify right side
    25,799.76x = 541,030,672.99
  5. Step 5: Solve for x
    x = 541,030,672.99/25,799.76
  6. Step 6: Final answer
    x = 20,970.38

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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.