Home / 20,066.05-27,688.84-11,568.11

Finding the Fourth Proportional to 20,066.05, 27,688.84 and 11,568.11

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Solution

The fourth proportional to 20,066.05, 27,688.84 and 11,568.11 is: 15,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.05 : 27,688.84 = 11,568.11 : x
  2. Step 2: Convert to fraction form
    20,066.05/27,688.84 = 11,568.11/x
  3. Step 3: Cross multiply
    20,066.05x = 27,688.84 × 11,568.11
  4. Step 4: Simplify right side
    20,066.05x = 320,307,379.53
  5. Step 5: Solve for x
    x = 320,307,379.53/20,066.05
  6. Step 6: Final answer
    x = 15,962.65

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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.