Home / 22,266.24-30,730.88-12,837.76

Finding the Fourth Proportional to 22,266.24, 30,730.88 and 12,837.76

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Solution

The fourth proportional to 22,266.24, 30,730.88 and 12,837.76 is: 17,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.24 : 30,730.88 = 12,837.76 : x
  2. Step 2: Convert to fraction form
    22,266.24/30,730.88 = 12,837.76/x
  3. Step 3: Cross multiply
    22,266.24x = 30,730.88 × 12,837.76
  4. Step 4: Simplify right side
    22,266.24x = 394,515,662.03
  5. Step 5: Solve for x
    x = 394,515,662.03/22,266.24
  6. Step 6: Final answer
    x = 17,718.11

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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.