Home / 18,257.95-25,196.15-10,708.75

Finding the Fourth Proportional to 18,257.95, 25,196.15 and 10,708.75

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Solution

The fourth proportional to 18,257.95, 25,196.15 and 10,708.75 is: 14,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.95 : 25,196.15 = 10,708.75 : x
  2. Step 2: Convert to fraction form
    18,257.95/25,196.15 = 10,708.75/x
  3. Step 3: Cross multiply
    18,257.95x = 25,196.15 × 10,708.75
  4. Step 4: Simplify right side
    18,257.95x = 269,819,091.79
  5. Step 5: Solve for x
    x = 269,819,091.79/18,257.95
  6. Step 6: Final answer
    x = 14,778.17

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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.