Home / 15,302.88-22,850.73-12,147.48

Finding the Fourth Proportional to 15,302.88, 22,850.73 and 12,147.48

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Solution

The fourth proportional to 15,302.88, 22,850.73 and 12,147.48 is: 18,138.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,302.88 : 22,850.73 = 12,147.48 : x
  2. Step 2: Convert to fraction form
    15,302.88/22,850.73 = 12,147.48/x
  3. Step 3: Cross multiply
    15,302.88x = 22,850.73 × 12,147.48
  4. Step 4: Simplify right side
    15,302.88x = 277,578,785.66
  5. Step 5: Solve for x
    x = 277,578,785.66/15,302.88
  6. Step 6: Final answer
    x = 18,138.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.