Home / 25,125.12-34,661.57-15,562.49

Finding the Fourth Proportional to 25,125.12, 34,661.57 and 15,562.49

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Solution

The fourth proportional to 25,125.12, 34,661.57 and 15,562.49 is: 21,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.12 : 34,661.57 = 15,562.49 : x
  2. Step 2: Convert to fraction form
    25,125.12/34,661.57 = 15,562.49/x
  3. Step 3: Cross multiply
    25,125.12x = 34,661.57 × 15,562.49
  4. Step 4: Simplify right side
    25,125.12x = 539,420,085.39
  5. Step 5: Solve for x
    x = 539,420,085.39/25,125.12
  6. Step 6: Final answer
    x = 21,469.35

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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.