Home / 25,115.13-34,660.43-16,602.48

Finding the Fourth Proportional to 25,115.13, 34,660.43 and 16,602.48

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Solution

The fourth proportional to 25,115.13, 34,660.43 and 16,602.48 is: 22,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.13 : 34,660.43 = 16,602.48 : x
  2. Step 2: Convert to fraction form
    25,115.13/34,660.43 = 16,602.48/x
  3. Step 3: Cross multiply
    25,115.13x = 34,660.43 × 16,602.48
  4. Step 4: Simplify right side
    25,115.13x = 575,449,095.87
  5. Step 5: Solve for x
    x = 575,449,095.87/25,115.13
  6. Step 6: Final answer
    x = 22,912.45

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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.