Home / 22,647.97-31,253.15-12,577.05

Finding the Fourth Proportional to 22,647.97, 31,253.15 and 12,577.05

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Solution

The fourth proportional to 22,647.97, 31,253.15 and 12,577.05 is: 17,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647.97 : 31,253.15 = 12,577.05 : x
  2. Step 2: Convert to fraction form
    22,647.97/31,253.15 = 12,577.05/x
  3. Step 3: Cross multiply
    22,647.97x = 31,253.15 × 12,577.05
  4. Step 4: Simplify right side
    22,647.97x = 393,072,476.90
  5. Step 5: Solve for x
    x = 393,072,476.90/22,647.97
  6. Step 6: Final answer
    x = 17,355.75

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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.