Home / 15,291.74-22,905.21-11,552.78

Finding the Fourth Proportional to 15,291.74, 22,905.21 and 11,552.78

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Solution

The fourth proportional to 15,291.74, 22,905.21 and 11,552.78 is: 17,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.74 : 22,905.21 = 11,552.78 : x
  2. Step 2: Convert to fraction form
    15,291.74/22,905.21 = 11,552.78/x
  3. Step 3: Cross multiply
    15,291.74x = 22,905.21 × 11,552.78
  4. Step 4: Simplify right side
    15,291.74x = 264,618,851.98
  5. Step 5: Solve for x
    x = 264,618,851.98/15,291.74
  6. Step 6: Final answer
    x = 17,304.69

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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.