Home / 21,146.17-31,631.59-16,110.44

Finding the Fourth Proportional to 21,146.17, 31,631.59 and 16,110.44

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Solution

The fourth proportional to 21,146.17, 31,631.59 and 16,110.44 is: 24,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,146.17 : 31,631.59 = 16,110.44 : x
  2. Step 2: Convert to fraction form
    21,146.17/31,631.59 = 16,110.44/x
  3. Step 3: Cross multiply
    21,146.17x = 31,631.59 × 16,110.44
  4. Step 4: Simplify right side
    21,146.17x = 509,598,832.80
  5. Step 5: Solve for x
    x = 509,598,832.80/21,146.17
  6. Step 6: Final answer
    x = 24,098.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.