Home / 22,486.80-31,026.60-13,049.76

Finding the Fourth Proportional to 22,486.80, 31,026.60 and 13,049.76

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Solution

The fourth proportional to 22,486.80, 31,026.60 and 13,049.76 is: 18,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.80 : 31,026.60 = 13,049.76 : x
  2. Step 2: Convert to fraction form
    22,486.80/31,026.60 = 13,049.76/x
  3. Step 3: Cross multiply
    22,486.80x = 31,026.60 × 13,049.76
  4. Step 4: Simplify right side
    22,486.80x = 404,889,683.62
  5. Step 5: Solve for x
    x = 404,889,683.62/22,486.80
  6. Step 6: Final answer
    x = 18,005.66

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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.