Home / 23,187.97-31,998.54-12,577.38

Finding the Fourth Proportional to 23,187.97, 31,998.54 and 12,577.38

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Solution

The fourth proportional to 23,187.97, 31,998.54 and 12,577.38 is: 17,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.97 : 31,998.54 = 12,577.38 : x
  2. Step 2: Convert to fraction form
    23,187.97/31,998.54 = 12,577.38/x
  3. Step 3: Cross multiply
    23,187.97x = 31,998.54 × 12,577.38
  4. Step 4: Simplify right side
    23,187.97x = 402,457,724.20
  5. Step 5: Solve for x
    x = 402,457,724.20/23,187.97
  6. Step 6: Final answer
    x = 17,356.31

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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.