Home / 30,184.88-41,656.95-18,251.15

Finding the Fourth Proportional to 30,184.88, 41,656.95 and 18,251.15

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Solution

The fourth proportional to 30,184.88, 41,656.95 and 18,251.15 is: 25,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.88 : 41,656.95 = 18,251.15 : x
  2. Step 2: Convert to fraction form
    30,184.88/41,656.95 = 18,251.15/x
  3. Step 3: Cross multiply
    30,184.88x = 41,656.95 × 18,251.15
  4. Step 4: Simplify right side
    30,184.88x = 760,287,034.71
  5. Step 5: Solve for x
    x = 760,287,034.71/30,184.88
  6. Step 6: Final answer
    x = 25,187.68

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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.