Home / 22,486.92-31,030.20-13,056.18

Finding the Fourth Proportional to 22,486.92, 31,030.20 and 13,056.18

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Solution

The fourth proportional to 22,486.92, 31,030.20 and 13,056.18 is: 18,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.92 : 31,030.20 = 13,056.18 : x
  2. Step 2: Convert to fraction form
    22,486.92/31,030.20 = 13,056.18/x
  3. Step 3: Cross multiply
    22,486.92x = 31,030.20 × 13,056.18
  4. Step 4: Simplify right side
    22,486.92x = 405,135,876.64
  5. Step 5: Solve for x
    x = 405,135,876.64/22,486.92
  6. Step 6: Final answer
    x = 18,016.51

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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.