Home / 19,591.58-29,387.21-7,904.62

Finding the Fourth Proportional to 19,591.58, 29,387.21 and 7,904.62

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Solution

The fourth proportional to 19,591.58, 29,387.21 and 7,904.62 is: 11,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.58 : 29,387.21 = 7,904.62 : x
  2. Step 2: Convert to fraction form
    19,591.58/29,387.21 = 7,904.62/x
  3. Step 3: Cross multiply
    19,591.58x = 29,387.21 × 7,904.62
  4. Step 4: Simplify right side
    19,591.58x = 232,294,727.91
  5. Step 5: Solve for x
    x = 232,294,727.91/19,591.58
  6. Step 6: Final answer
    x = 11,856.87

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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.