Home / 27,809.17-41,719.20-12,226.75

Finding the Fourth Proportional to 27,809.17, 41,719.20 and 12,226.75

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Solution

The fourth proportional to 27,809.17, 41,719.20 and 12,226.75 is: 18,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.17 : 41,719.20 = 12,226.75 : x
  2. Step 2: Convert to fraction form
    27,809.17/41,719.20 = 12,226.75/x
  3. Step 3: Cross multiply
    27,809.17x = 41,719.20 × 12,226.75
  4. Step 4: Simplify right side
    27,809.17x = 510,090,228.60
  5. Step 5: Solve for x
    x = 510,090,228.60/27,809.17
  6. Step 6: Final answer
    x = 18,342.52

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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.