Home / 20,032.14-27,619.24-12,849.40

Finding the Fourth Proportional to 20,032.14, 27,619.24 and 12,849.40

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Solution

The fourth proportional to 20,032.14, 27,619.24 and 12,849.40 is: 17,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.14 : 27,619.24 = 12,849.40 : x
  2. Step 2: Convert to fraction form
    20,032.14/27,619.24 = 12,849.40/x
  3. Step 3: Cross multiply
    20,032.14x = 27,619.24 × 12,849.40
  4. Step 4: Simplify right side
    20,032.14x = 354,890,460.11
  5. Step 5: Solve for x
    x = 354,890,460.11/20,032.14
  6. Step 6: Final answer
    x = 17,716.05

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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.