Home / 17,822.40-26,742.80-12,932.36

Finding the Fourth Proportional to 17,822.40, 26,742.80 and 12,932.36

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Solution

The fourth proportional to 17,822.40, 26,742.80 and 12,932.36 is: 19,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,822.40 : 26,742.80 = 12,932.36 : x
  2. Step 2: Convert to fraction form
    17,822.40/26,742.80 = 12,932.36/x
  3. Step 3: Cross multiply
    17,822.40x = 26,742.80 × 12,932.36
  4. Step 4: Simplify right side
    17,822.40x = 345,847,517.01
  5. Step 5: Solve for x
    x = 345,847,517.01/17,822.40
  6. Step 6: Final answer
    x = 19,405.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.