Home / 23,781.42-32,815.26-13,710.24

Finding the Fourth Proportional to 23,781.42, 32,815.26 and 13,710.24

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Solution

The fourth proportional to 23,781.42, 32,815.26 and 13,710.24 is: 18,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.42 : 32,815.26 = 13,710.24 : x
  2. Step 2: Convert to fraction form
    23,781.42/32,815.26 = 13,710.24/x
  3. Step 3: Cross multiply
    23,781.42x = 32,815.26 × 13,710.24
  4. Step 4: Simplify right side
    23,781.42x = 449,905,090.26
  5. Step 5: Solve for x
    x = 449,905,090.26/23,781.42
  6. Step 6: Final answer
    x = 18,918.34

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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.