Home / 22,879.06-31,572.38-12,808.53

Finding the Fourth Proportional to 22,879.06, 31,572.38 and 12,808.53

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Solution

The fourth proportional to 22,879.06, 31,572.38 and 12,808.53 is: 17,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.06 : 31,572.38 = 12,808.53 : x
  2. Step 2: Convert to fraction form
    22,879.06/31,572.38 = 12,808.53/x
  3. Step 3: Cross multiply
    22,879.06x = 31,572.38 × 12,808.53
  4. Step 4: Simplify right side
    22,879.06x = 404,395,808.42
  5. Step 5: Solve for x
    x = 404,395,808.42/22,879.06
  6. Step 6: Final answer
    x = 17,675.37

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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.