Home / 15,205.39-22,811.28-5,717.76

Finding the Fourth Proportional to 15,205.39, 22,811.28 and 5,717.76

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Solution

The fourth proportional to 15,205.39, 22,811.28 and 5,717.76 is: 8,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205.39 : 22,811.28 = 5,717.76 : x
  2. Step 2: Convert to fraction form
    15,205.39/22,811.28 = 5,717.76/x
  3. Step 3: Cross multiply
    15,205.39x = 22,811.28 × 5,717.76
  4. Step 4: Simplify right side
    15,205.39x = 130,429,424.33
  5. Step 5: Solve for x
    x = 130,429,424.33/15,205.39
  6. Step 6: Final answer
    x = 8,577.84

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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.