Home / 18,174.52-25,080.51-11,100.94

Finding the Fourth Proportional to 18,174.52, 25,080.51 and 11,100.94

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Solution

The fourth proportional to 18,174.52, 25,080.51 and 11,100.94 is: 15,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.52 : 25,080.51 = 11,100.94 : x
  2. Step 2: Convert to fraction form
    18,174.52/25,080.51 = 11,100.94/x
  3. Step 3: Cross multiply
    18,174.52x = 25,080.51 × 11,100.94
  4. Step 4: Simplify right side
    18,174.52x = 278,417,173.98
  5. Step 5: Solve for x
    x = 278,417,173.98/18,174.52
  6. Step 6: Final answer
    x = 15,319.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.