Home / 25,594.92-35,321.04-15,520.74

Finding the Fourth Proportional to 25,594.92, 35,321.04 and 15,520.74

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Solution

The fourth proportional to 25,594.92, 35,321.04 and 15,520.74 is: 21,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,594.92 : 35,321.04 = 15,520.74 : x
  2. Step 2: Convert to fraction form
    25,594.92/35,321.04 = 15,520.74/x
  3. Step 3: Cross multiply
    25,594.92x = 35,321.04 × 15,520.74
  4. Step 4: Simplify right side
    25,594.92x = 548,208,678.37
  5. Step 5: Solve for x
    x = 548,208,678.37/25,594.92
  6. Step 6: Final answer
    x = 21,418.65

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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.