Home / 16,291.88-22,479.06-9,216.76

Finding the Fourth Proportional to 16,291.88, 22,479.06 and 9,216.76

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Solution

The fourth proportional to 16,291.88, 22,479.06 and 9,216.76 is: 12,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,291.88 : 22,479.06 = 9,216.76 : x
  2. Step 2: Convert to fraction form
    16,291.88/22,479.06 = 9,216.76/x
  3. Step 3: Cross multiply
    16,291.88x = 22,479.06 × 9,216.76
  4. Step 4: Simplify right side
    16,291.88x = 207,184,101.05
  5. Step 5: Solve for x
    x = 207,184,101.05/16,291.88
  6. Step 6: Final answer
    x = 12,717.02

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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.