Home / 22,129.70-30,538.61-12,058.23

Finding the Fourth Proportional to 22,129.70, 30,538.61 and 12,058.23

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Solution

The fourth proportional to 22,129.70, 30,538.61 and 12,058.23 is: 16,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.70 : 30,538.61 = 12,058.23 : x
  2. Step 2: Convert to fraction form
    22,129.70/30,538.61 = 12,058.23/x
  3. Step 3: Cross multiply
    22,129.70x = 30,538.61 × 12,058.23
  4. Step 4: Simplify right side
    22,129.70x = 368,241,522.97
  5. Step 5: Solve for x
    x = 368,241,522.97/22,129.70
  6. Step 6: Final answer
    x = 16,640.15

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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.