Home / 12,497.22-18,736.55-7,565.77

Finding the Fourth Proportional to 12,497.22, 18,736.55 and 7,565.77

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Solution

The fourth proportional to 12,497.22, 18,736.55 and 7,565.77 is: 11,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.22 : 18,736.55 = 7,565.77 : x
  2. Step 2: Convert to fraction form
    12,497.22/18,736.55 = 7,565.77/x
  3. Step 3: Cross multiply
    12,497.22x = 18,736.55 × 7,565.77
  4. Step 4: Simplify right side
    12,497.22x = 141,756,441.86
  5. Step 5: Solve for x
    x = 141,756,441.86/12,497.22
  6. Step 6: Final answer
    x = 11,343.04

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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.