Home / 17,542.13-26,314.47-7,153.88

Finding the Fourth Proportional to 17,542.13, 26,314.47 and 7,153.88

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Solution

The fourth proportional to 17,542.13, 26,314.47 and 7,153.88 is: 10,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,542.13 : 26,314.47 = 7,153.88 : x
  2. Step 2: Convert to fraction form
    17,542.13/26,314.47 = 7,153.88/x
  3. Step 3: Cross multiply
    17,542.13x = 26,314.47 × 7,153.88
  4. Step 4: Simplify right side
    17,542.13x = 188,250,429.07
  5. Step 5: Solve for x
    x = 188,250,429.07/17,542.13
  6. Step 6: Final answer
    x = 10,731.34

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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.