Home / 22,355.06-30,849.38-12,283.47

Finding the Fourth Proportional to 22,355.06, 30,849.38 and 12,283.47

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Solution

The fourth proportional to 22,355.06, 30,849.38 and 12,283.47 is: 16,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.06 : 30,849.38 = 12,283.47 : x
  2. Step 2: Convert to fraction form
    22,355.06/30,849.38 = 12,283.47/x
  3. Step 3: Cross multiply
    22,355.06x = 30,849.38 × 12,283.47
  4. Step 4: Simplify right side
    22,355.06x = 378,937,372.33
  5. Step 5: Solve for x
    x = 378,937,372.33/22,355.06
  6. Step 6: Final answer
    x = 16,950.86

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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.