Home / 15,984.66-22,057.92-8,910.84

Finding the Fourth Proportional to 15,984.66, 22,057.92 and 8,910.84

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Solution

The fourth proportional to 15,984.66, 22,057.92 and 8,910.84 is: 12,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.66 : 22,057.92 = 8,910.84 : x
  2. Step 2: Convert to fraction form
    15,984.66/22,057.92 = 8,910.84/x
  3. Step 3: Cross multiply
    15,984.66x = 22,057.92 × 8,910.84
  4. Step 4: Simplify right side
    15,984.66x = 196,554,595.85
  5. Step 5: Solve for x
    x = 196,554,595.85/15,984.66
  6. Step 6: Final answer
    x = 12,296.45

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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.