Home / 26,261.72-36,259.44-21,248.18

Finding the Fourth Proportional to 26,261.72, 36,259.44 and 21,248.18

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Solution

The fourth proportional to 26,261.72, 36,259.44 and 21,248.18 is: 29,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,261.72 : 36,259.44 = 21,248.18 : x
  2. Step 2: Convert to fraction form
    26,261.72/36,259.44 = 21,248.18/x
  3. Step 3: Cross multiply
    26,261.72x = 36,259.44 × 21,248.18
  4. Step 4: Simplify right side
    26,261.72x = 770,447,107.82
  5. Step 5: Solve for x
    x = 770,447,107.82/26,261.72
  6. Step 6: Final answer
    x = 29,337.27

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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.