Home / 16,071.38-22,178.51-8,997.95

Finding the Fourth Proportional to 16,071.38, 22,178.51 and 8,997.95

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Solution

The fourth proportional to 16,071.38, 22,178.51 and 8,997.95 is: 12,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,071.38 : 22,178.51 = 8,997.95 : x
  2. Step 2: Convert to fraction form
    16,071.38/22,178.51 = 8,997.95/x
  3. Step 3: Cross multiply
    16,071.38x = 22,178.51 × 8,997.95
  4. Step 4: Simplify right side
    16,071.38x = 199,560,968.17
  5. Step 5: Solve for x
    x = 199,560,968.17/16,071.38
  6. Step 6: Final answer
    x = 12,417.17

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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.