Home / 25,358.32-34,995.56-15,669.92

Finding the Fourth Proportional to 25,358.32, 34,995.56 and 15,669.92

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Solution

The fourth proportional to 25,358.32, 34,995.56 and 15,669.92 is: 21,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.32 : 34,995.56 = 15,669.92 : x
  2. Step 2: Convert to fraction form
    25,358.32/34,995.56 = 15,669.92/x
  3. Step 3: Cross multiply
    25,358.32x = 34,995.56 × 15,669.92
  4. Step 4: Simplify right side
    25,358.32x = 548,377,625.56
  5. Step 5: Solve for x
    x = 548,377,625.56/25,358.32
  6. Step 6: Final answer
    x = 21,625.16

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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.