Home / 22,497.12-33,719.76-12,087

Finding the Fourth Proportional to 22,497.12, 33,719.76 and 12,087

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Solution

The fourth proportional to 22,497.12, 33,719.76 and 12,087 is: 18,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.12 : 33,719.76 = 12,087 : x
  2. Step 2: Convert to fraction form
    22,497.12/33,719.76 = 12,087/x
  3. Step 3: Cross multiply
    22,497.12x = 33,719.76 × 12,087
  4. Step 4: Simplify right side
    22,497.12x = 407,570,739.12
  5. Step 5: Solve for x
    x = 407,570,739.12/22,497.12
  6. Step 6: Final answer
    x = 18,116.57

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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.