Home / 19,343.59-29,017.47-8,251.45

Finding the Fourth Proportional to 19,343.59, 29,017.47 and 8,251.45

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Solution

The fourth proportional to 19,343.59, 29,017.47 and 8,251.45 is: 12,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.59 : 29,017.47 = 8,251.45 : x
  2. Step 2: Convert to fraction form
    19,343.59/29,017.47 = 8,251.45/x
  3. Step 3: Cross multiply
    19,343.59x = 29,017.47 × 8,251.45
  4. Step 4: Simplify right side
    19,343.59x = 239,436,202.83
  5. Step 5: Solve for x
    x = 239,436,202.83/19,343.59
  6. Step 6: Final answer
    x = 12,378.06

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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.