Home / 16,024.12-22,109.28-9,979.09

Finding the Fourth Proportional to 16,024.12, 22,109.28 and 9,979.09

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Solution

The fourth proportional to 16,024.12, 22,109.28 and 9,979.09 is: 13,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,024.12 : 22,109.28 = 9,979.09 : x
  2. Step 2: Convert to fraction form
    16,024.12/22,109.28 = 9,979.09/x
  3. Step 3: Cross multiply
    16,024.12x = 22,109.28 × 9,979.09
  4. Step 4: Simplify right side
    16,024.12x = 220,630,494.96
  5. Step 5: Solve for x
    x = 220,630,494.96/16,024.12
  6. Step 6: Final answer
    x = 13,768.65

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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.