Home / 19,711.56-29,567.34-6,395.70

Finding the Fourth Proportional to 19,711.56, 29,567.34 and 6,395.70

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Solution

The fourth proportional to 19,711.56, 29,567.34 and 6,395.70 is: 9,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.56 : 29,567.34 = 6,395.70 : x
  2. Step 2: Convert to fraction form
    19,711.56/29,567.34 = 6,395.70/x
  3. Step 3: Cross multiply
    19,711.56x = 29,567.34 × 6,395.70
  4. Step 4: Simplify right side
    19,711.56x = 189,103,836.44
  5. Step 5: Solve for x
    x = 189,103,836.44/19,711.56
  6. Step 6: Final answer
    x = 9,593.55

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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.