Home / 17,561.40-26,342.12-7,173.14

Finding the Fourth Proportional to 17,561.40, 26,342.12 and 7,173.14

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Solution

The fourth proportional to 17,561.40, 26,342.12 and 7,173.14 is: 10,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,561.40 : 26,342.12 = 7,173.14 : x
  2. Step 2: Convert to fraction form
    17,561.40/26,342.12 = 7,173.14/x
  3. Step 3: Cross multiply
    17,561.40x = 26,342.12 × 7,173.14
  4. Step 4: Simplify right side
    17,561.40x = 188,955,714.66
  5. Step 5: Solve for x
    x = 188,955,714.66/17,561.40
  6. Step 6: Final answer
    x = 10,759.72

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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.