Home / 17,543.68-26,315.72-10,143.65

Finding the Fourth Proportional to 17,543.68, 26,315.72 and 10,143.65

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Solution

The fourth proportional to 17,543.68, 26,315.72 and 10,143.65 is: 15,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,543.68 : 26,315.72 = 10,143.65 : x
  2. Step 2: Convert to fraction form
    17,543.68/26,315.72 = 10,143.65/x
  3. Step 3: Cross multiply
    17,543.68x = 26,315.72 × 10,143.65
  4. Step 4: Simplify right side
    17,543.68x = 266,937,453.18
  5. Step 5: Solve for x
    x = 266,937,453.18/17,543.68
  6. Step 6: Final answer
    x = 15,215.59

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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.