Home / 16,061.48-22,163.78-8,987.88

Finding the Fourth Proportional to 16,061.48, 22,163.78 and 8,987.88

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Solution

The fourth proportional to 16,061.48, 22,163.78 and 8,987.88 is: 12,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,061.48 : 22,163.78 = 8,987.88 : x
  2. Step 2: Convert to fraction form
    16,061.48/22,163.78 = 8,987.88/x
  3. Step 3: Cross multiply
    16,061.48x = 22,163.78 × 8,987.88
  4. Step 4: Simplify right side
    16,061.48x = 199,205,394.99
  5. Step 5: Solve for x
    x = 199,205,394.99/16,061.48
  6. Step 6: Final answer
    x = 12,402.68

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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.