Home / 22,191.74-30,623.43-12,118.23

Finding the Fourth Proportional to 22,191.74, 30,623.43 and 12,118.23

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Solution

The fourth proportional to 22,191.74, 30,623.43 and 12,118.23 is: 16,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.74 : 30,623.43 = 12,118.23 : x
  2. Step 2: Convert to fraction form
    22,191.74/30,623.43 = 12,118.23/x
  3. Step 3: Cross multiply
    22,191.74x = 30,623.43 × 12,118.23
  4. Step 4: Simplify right side
    22,191.74x = 371,101,768.13
  5. Step 5: Solve for x
    x = 371,101,768.13/22,191.74
  6. Step 6: Final answer
    x = 16,722.52

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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.