Home / 19,343.88-29,017.84-8,251.74

Finding the Fourth Proportional to 19,343.88, 29,017.84 and 8,251.74

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Solution

The fourth proportional to 19,343.88, 29,017.84 and 8,251.74 is: 12,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.88 : 29,017.84 = 8,251.74 : x
  2. Step 2: Convert to fraction form
    19,343.88/29,017.84 = 8,251.74/x
  3. Step 3: Cross multiply
    19,343.88x = 29,017.84 × 8,251.74
  4. Step 4: Simplify right side
    19,343.88x = 239,447,671.04
  5. Step 5: Solve for x
    x = 239,447,671.04/19,343.88
  6. Step 6: Final answer
    x = 12,378.47

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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.