Home / 17,622.12-26,437.07-8,742.29

Finding the Fourth Proportional to 17,622.12, 26,437.07 and 8,742.29

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Solution

The fourth proportional to 17,622.12, 26,437.07 and 8,742.29 is: 13,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,622.12 : 26,437.07 = 8,742.29 : x
  2. Step 2: Convert to fraction form
    17,622.12/26,437.07 = 8,742.29/x
  3. Step 3: Cross multiply
    17,622.12x = 26,437.07 × 8,742.29
  4. Step 4: Simplify right side
    17,622.12x = 231,120,422.36
  5. Step 5: Solve for x
    x = 231,120,422.36/17,622.12
  6. Step 6: Final answer
    x = 13,115.36

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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.