Home / 19,540.62-29,242.80-15,989.58

Finding the Fourth Proportional to 19,540.62, 29,242.80 and 15,989.58

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Solution

The fourth proportional to 19,540.62, 29,242.80 and 15,989.58 is: 23,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.62 : 29,242.80 = 15,989.58 : x
  2. Step 2: Convert to fraction form
    19,540.62/29,242.80 = 15,989.58/x
  3. Step 3: Cross multiply
    19,540.62x = 29,242.80 × 15,989.58
  4. Step 4: Simplify right side
    19,540.62x = 467,580,090.02
  5. Step 5: Solve for x
    x = 467,580,090.02/19,540.62
  6. Step 6: Final answer
    x = 23,928.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.