Home / 22,796.25-31,473.29-15,638.16

Finding the Fourth Proportional to 22,796.25, 31,473.29 and 15,638.16

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Solution

The fourth proportional to 22,796.25, 31,473.29 and 15,638.16 is: 21,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,796.25 : 31,473.29 = 15,638.16 : x
  2. Step 2: Convert to fraction form
    22,796.25/31,473.29 = 15,638.16/x
  3. Step 3: Cross multiply
    22,796.25x = 31,473.29 × 15,638.16
  4. Step 4: Simplify right side
    22,796.25x = 492,184,266.56
  5. Step 5: Solve for x
    x = 492,184,266.56/22,796.25
  6. Step 6: Final answer
    x = 21,590.58

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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.