Home / 22,813.98-31,254.63-21,961.14

Finding the Fourth Proportional to 22,813.98, 31,254.63 and 21,961.14

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Solution

The fourth proportional to 22,813.98, 31,254.63 and 21,961.14 is: 30,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,813.98 : 31,254.63 = 21,961.14 : x
  2. Step 2: Convert to fraction form
    22,813.98/31,254.63 = 21,961.14/x
  3. Step 3: Cross multiply
    22,813.98x = 31,254.63 × 21,961.14
  4. Step 4: Simplify right side
    22,813.98x = 686,387,305.08
  5. Step 5: Solve for x
    x = 686,387,305.08/22,813.98
  6. Step 6: Final answer
    x = 30,086.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.