Home / 22,130.09-30,540.27-12,058.80

Finding the Fourth Proportional to 22,130.09, 30,540.27 and 12,058.80

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Solution

The fourth proportional to 22,130.09, 30,540.27 and 12,058.80 is: 16,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.09 : 30,540.27 = 12,058.80 : x
  2. Step 2: Convert to fraction form
    22,130.09/30,540.27 = 12,058.80/x
  3. Step 3: Cross multiply
    22,130.09x = 30,540.27 × 12,058.80
  4. Step 4: Simplify right side
    22,130.09x = 368,279,007.88
  5. Step 5: Solve for x
    x = 368,279,007.88/22,130.09
  6. Step 6: Final answer
    x = 16,641.55

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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.