Home / 20,066.30-27,689.18-11,568.36

Finding the Fourth Proportional to 20,066.30, 27,689.18 and 11,568.36

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Solution

The fourth proportional to 20,066.30, 27,689.18 and 11,568.36 is: 15,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.30 : 27,689.18 = 11,568.36 : x
  2. Step 2: Convert to fraction form
    20,066.30/27,689.18 = 11,568.36/x
  3. Step 3: Cross multiply
    20,066.30x = 27,689.18 × 11,568.36
  4. Step 4: Simplify right side
    20,066.30x = 320,318,402.34
  5. Step 5: Solve for x
    x = 320,318,402.34/20,066.30
  6. Step 6: Final answer
    x = 15,963.00

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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.