Home / 16,071.36-22,178.94-8,997.74

Finding the Fourth Proportional to 16,071.36, 22,178.94 and 8,997.74

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Solution

The fourth proportional to 16,071.36, 22,178.94 and 8,997.74 is: 12,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,071.36 : 22,178.94 = 8,997.74 : x
  2. Step 2: Convert to fraction form
    16,071.36/22,178.94 = 8,997.74/x
  3. Step 3: Cross multiply
    16,071.36x = 22,178.94 × 8,997.74
  4. Step 4: Simplify right side
    16,071.36x = 199,560,335.60
  5. Step 5: Solve for x
    x = 199,560,335.60/16,071.36
  6. Step 6: Final answer
    x = 12,417.14

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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.