Home / 22,626.57-31,225.38-12,555.75

Finding the Fourth Proportional to 22,626.57, 31,225.38 and 12,555.75

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Solution

The fourth proportional to 22,626.57, 31,225.38 and 12,555.75 is: 17,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,626.57 : 31,225.38 = 12,555.75 : x
  2. Step 2: Convert to fraction form
    22,626.57/31,225.38 = 12,555.75/x
  3. Step 3: Cross multiply
    22,626.57x = 31,225.38 × 12,555.75
  4. Step 4: Simplify right side
    22,626.57x = 392,058,064.94
  5. Step 5: Solve for x
    x = 392,058,064.94/22,626.57
  6. Step 6: Final answer
    x = 17,327.33

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Double scale
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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.