Home / 14,251.06-19,666.40-7,963.44

Finding the Fourth Proportional to 14,251.06, 19,666.40 and 7,963.44

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Solution

The fourth proportional to 14,251.06, 19,666.40 and 7,963.44 is: 10,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.06 : 19,666.40 = 7,963.44 : x
  2. Step 2: Convert to fraction form
    14,251.06/19,666.40 = 7,963.44/x
  3. Step 3: Cross multiply
    14,251.06x = 19,666.40 × 7,963.44
  4. Step 4: Simplify right side
    14,251.06x = 156,612,196.42
  5. Step 5: Solve for x
    x = 156,612,196.42/14,251.06
  6. Step 6: Final answer
    x = 10,989.51

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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.