Home / 22,129.74-30,538.68-12,058.30

Finding the Fourth Proportional to 22,129.74, 30,538.68 and 12,058.30

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Solution

The fourth proportional to 22,129.74, 30,538.68 and 12,058.30 is: 16,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.74 : 30,538.68 = 12,058.30 : x
  2. Step 2: Convert to fraction form
    22,129.74/30,538.68 = 12,058.30/x
  3. Step 3: Cross multiply
    22,129.74x = 30,538.68 × 12,058.30
  4. Step 4: Simplify right side
    22,129.74x = 368,244,565.04
  5. Step 5: Solve for x
    x = 368,244,565.04/22,129.74
  6. Step 6: Final answer
    x = 16,640.26

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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.