Home / 22,905.12-31,603.60-13,952.48

Finding the Fourth Proportional to 22,905.12, 31,603.60 and 13,952.48

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Solution

The fourth proportional to 22,905.12, 31,603.60 and 13,952.48 is: 19,251.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.12 : 31,603.60 = 13,952.48 : x
  2. Step 2: Convert to fraction form
    22,905.12/31,603.60 = 13,952.48/x
  3. Step 3: Cross multiply
    22,905.12x = 31,603.60 × 13,952.48
  4. Step 4: Simplify right side
    22,905.12x = 440,948,596.93
  5. Step 5: Solve for x
    x = 440,948,596.93/22,905.12
  6. Step 6: Final answer
    x = 19,251.09

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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.