Home / 34,257.13-47,269.78-19,147.59

Finding the Fourth Proportional to 34,257.13, 47,269.78 and 19,147.59

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Solution

The fourth proportional to 34,257.13, 47,269.78 and 19,147.59 is: 26,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,257.13 : 47,269.78 = 19,147.59 : x
  2. Step 2: Convert to fraction form
    34,257.13/47,269.78 = 19,147.59/x
  3. Step 3: Cross multiply
    34,257.13x = 47,269.78 × 19,147.59
  4. Step 4: Simplify right side
    34,257.13x = 905,102,318.96
  5. Step 5: Solve for x
    x = 905,102,318.96/34,257.13
  6. Step 6: Final answer
    x = 26,420.85

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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.