Home / 17,617.68-26,426.49-7,222.14

Finding the Fourth Proportional to 17,617.68, 26,426.49 and 7,222.14

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Solution

The fourth proportional to 17,617.68, 26,426.49 and 7,222.14 is: 10,833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.68 : 26,426.49 = 7,222.14 : x
  2. Step 2: Convert to fraction form
    17,617.68/26,426.49 = 7,222.14/x
  3. Step 3: Cross multiply
    17,617.68x = 26,426.49 × 7,222.14
  4. Step 4: Simplify right side
    17,617.68x = 190,855,810.49
  5. Step 5: Solve for x
    x = 190,855,810.49/17,617.68
  6. Step 6: Final answer
    x = 10,833.20

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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.