Home / 17,510.14-26,276.16-7,121.89

Finding the Fourth Proportional to 17,510.14, 26,276.16 and 7,121.89

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Solution

The fourth proportional to 17,510.14, 26,276.16 and 7,121.89 is: 10,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,510.14 : 26,276.16 = 7,121.89 : x
  2. Step 2: Convert to fraction form
    17,510.14/26,276.16 = 7,121.89/x
  3. Step 3: Cross multiply
    17,510.14x = 26,276.16 × 7,121.89
  4. Step 4: Simplify right side
    17,510.14x = 187,135,789.76
  5. Step 5: Solve for x
    x = 187,135,789.76/17,510.14
  6. Step 6: Final answer
    x = 10,687.28

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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.