Home / 22,486.44-31,043.70-13,536.14

Finding the Fourth Proportional to 22,486.44, 31,043.70 and 13,536.14

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Solution

The fourth proportional to 22,486.44, 31,043.70 and 13,536.14 is: 18,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.44 : 31,043.70 = 13,536.14 : x
  2. Step 2: Convert to fraction form
    22,486.44/31,043.70 = 13,536.14/x
  3. Step 3: Cross multiply
    22,486.44x = 31,043.70 × 13,536.14
  4. Step 4: Simplify right side
    22,486.44x = 420,211,869.32
  5. Step 5: Solve for x
    x = 420,211,869.32/22,486.44
  6. Step 6: Final answer
    x = 18,687.35

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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.