Home / 22,677.36-31,261.77-15,850.18

Finding the Fourth Proportional to 22,677.36, 31,261.77 and 15,850.18

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Solution

The fourth proportional to 22,677.36, 31,261.77 and 15,850.18 is: 21,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677.36 : 31,261.77 = 15,850.18 : x
  2. Step 2: Convert to fraction form
    22,677.36/31,261.77 = 15,850.18/x
  3. Step 3: Cross multiply
    22,677.36x = 31,261.77 × 15,850.18
  4. Step 4: Simplify right side
    22,677.36x = 495,504,681.62
  5. Step 5: Solve for x
    x = 495,504,681.62/22,677.36
  6. Step 6: Final answer
    x = 21,850.19

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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.