Home / 18,216.15-27,319.36-5,069.24

Finding the Fourth Proportional to 18,216.15, 27,319.36 and 5,069.24

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Solution

The fourth proportional to 18,216.15, 27,319.36 and 5,069.24 is: 7,602.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.15 : 27,319.36 = 5,069.24 : x
  2. Step 2: Convert to fraction form
    18,216.15/27,319.36 = 5,069.24/x
  3. Step 3: Cross multiply
    18,216.15x = 27,319.36 × 5,069.24
  4. Step 4: Simplify right side
    18,216.15x = 138,488,392.49
  5. Step 5: Solve for x
    x = 138,488,392.49/18,216.15
  6. Step 6: Final answer
    x = 7,602.51

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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.