Home / 18,238.19-27,346.35-8,859.74

Finding the Fourth Proportional to 18,238.19, 27,346.35 and 8,859.74

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Solution

The fourth proportional to 18,238.19, 27,346.35 and 8,859.74 is: 13,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.19 : 27,346.35 = 8,859.74 : x
  2. Step 2: Convert to fraction form
    18,238.19/27,346.35 = 8,859.74/x
  3. Step 3: Cross multiply
    18,238.19x = 27,346.35 × 8,859.74
  4. Step 4: Simplify right side
    18,238.19x = 242,281,550.95
  5. Step 5: Solve for x
    x = 242,281,550.95/18,238.19
  6. Step 6: Final answer
    x = 13,284.30

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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.