Home / 12,449.58-18,670.73-10,252.86

Finding the Fourth Proportional to 12,449.58, 18,670.73 and 10,252.86

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Solution

The fourth proportional to 12,449.58, 18,670.73 and 10,252.86 is: 15,376.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.58 : 18,670.73 = 10,252.86 : x
  2. Step 2: Convert to fraction form
    12,449.58/18,670.73 = 10,252.86/x
  3. Step 3: Cross multiply
    12,449.58x = 18,670.73 × 10,252.86
  4. Step 4: Simplify right side
    12,449.58x = 191,428,329.52
  5. Step 5: Solve for x
    x = 191,428,329.52/12,449.58
  6. Step 6: Final answer
    x = 15,376.29

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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.