Home / 20,066.14-27,688.65-11,568.58

Finding the Fourth Proportional to 20,066.14, 27,688.65 and 11,568.58

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Solution

The fourth proportional to 20,066.14, 27,688.65 and 11,568.58 is: 15,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.14 : 27,688.65 = 11,568.58 : x
  2. Step 2: Convert to fraction form
    20,066.14/27,688.65 = 11,568.58/x
  3. Step 3: Cross multiply
    20,066.14x = 27,688.65 × 11,568.58
  4. Step 4: Simplify right side
    20,066.14x = 320,318,315.09
  5. Step 5: Solve for x
    x = 320,318,315.09/20,066.14
  6. Step 6: Final answer
    x = 15,963.13

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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.