Home / 22,796.72-31,473.92-15,638.63

Finding the Fourth Proportional to 22,796.72, 31,473.92 and 15,638.63

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Solution

The fourth proportional to 22,796.72, 31,473.92 and 15,638.63 is: 21,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,796.72 : 31,473.92 = 15,638.63 : x
  2. Step 2: Convert to fraction form
    22,796.72/31,473.92 = 15,638.63/x
  3. Step 3: Cross multiply
    22,796.72x = 31,473.92 × 15,638.63
  4. Step 4: Simplify right side
    22,796.72x = 492,209,107.31
  5. Step 5: Solve for x
    x = 492,209,107.31/22,796.72
  6. Step 6: Final answer
    x = 21,591.22

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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.