Home / 20,020.19-27,625.46-11,066.47

Finding the Fourth Proportional to 20,020.19, 27,625.46 and 11,066.47

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Solution

The fourth proportional to 20,020.19, 27,625.46 and 11,066.47 is: 15,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.19 : 27,625.46 = 11,066.47 : x
  2. Step 2: Convert to fraction form
    20,020.19/27,625.46 = 11,066.47/x
  3. Step 3: Cross multiply
    20,020.19x = 27,625.46 × 11,066.47
  4. Step 4: Simplify right side
    20,020.19x = 305,716,355.32
  5. Step 5: Solve for x
    x = 305,716,355.32/20,020.19
  6. Step 6: Final answer
    x = 15,270.40

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Half scale
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Double scale
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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.