Home / 25,222.61-34,808.09-15,667.73

Finding the Fourth Proportional to 25,222.61, 34,808.09 and 15,667.73

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Solution

The fourth proportional to 25,222.61, 34,808.09 and 15,667.73 is: 21,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.61 : 34,808.09 = 15,667.73 : x
  2. Step 2: Convert to fraction form
    25,222.61/34,808.09 = 15,667.73/x
  3. Step 3: Cross multiply
    25,222.61x = 34,808.09 × 15,667.73
  4. Step 4: Simplify right side
    25,222.61x = 545,363,755.94
  5. Step 5: Solve for x
    x = 545,363,755.94/25,222.61
  6. Step 6: Final answer
    x = 21,622.02

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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.