Home / 13,947.68-19,260.30-10,404.74

Finding the Fourth Proportional to 13,947.68, 19,260.30 and 10,404.74

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Solution

The fourth proportional to 13,947.68, 19,260.30 and 10,404.74 is: 14,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.68 : 19,260.30 = 10,404.74 : x
  2. Step 2: Convert to fraction form
    13,947.68/19,260.30 = 10,404.74/x
  3. Step 3: Cross multiply
    13,947.68x = 19,260.30 × 10,404.74
  4. Step 4: Simplify right side
    13,947.68x = 200,398,413.82
  5. Step 5: Solve for x
    x = 200,398,413.82/13,947.68
  6. Step 6: Final answer
    x = 14,367.87

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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.