Home / 22,881.12-31,577.34-12,810.19

Finding the Fourth Proportional to 22,881.12, 31,577.34 and 12,810.19

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Solution

The fourth proportional to 22,881.12, 31,577.34 and 12,810.19 is: 17,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,881.12 : 31,577.34 = 12,810.19 : x
  2. Step 2: Convert to fraction form
    22,881.12/31,577.34 = 12,810.19/x
  3. Step 3: Cross multiply
    22,881.12x = 31,577.34 × 12,810.19
  4. Step 4: Simplify right side
    22,881.12x = 404,511,725.09
  5. Step 5: Solve for x
    x = 404,511,725.09/22,881.12
  6. Step 6: Final answer
    x = 17,678.84

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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.