Home / 25,721.74-38,550.78-15,181.07

Finding the Fourth Proportional to 25,721.74, 38,550.78 and 15,181.07

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Solution

The fourth proportional to 25,721.74, 38,550.78 and 15,181.07 is: 22,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.74 : 38,550.78 = 15,181.07 : x
  2. Step 2: Convert to fraction form
    25,721.74/38,550.78 = 15,181.07/x
  3. Step 3: Cross multiply
    25,721.74x = 38,550.78 × 15,181.07
  4. Step 4: Simplify right side
    25,721.74x = 585,242,089.73
  5. Step 5: Solve for x
    x = 585,242,089.73/25,721.74
  6. Step 6: Final answer
    x = 22,752.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.