Home / 21,438.93-32,027.60-17,061.27

Finding the Fourth Proportional to 21,438.93, 32,027.60 and 17,061.27

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Solution

The fourth proportional to 21,438.93, 32,027.60 and 17,061.27 is: 25,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,438.93 : 32,027.60 = 17,061.27 : x
  2. Step 2: Convert to fraction form
    21,438.93/32,027.60 = 17,061.27/x
  3. Step 3: Cross multiply
    21,438.93x = 32,027.60 × 17,061.27
  4. Step 4: Simplify right side
    21,438.93x = 546,431,445.75
  5. Step 5: Solve for x
    x = 546,431,445.75/21,438.93
  6. Step 6: Final answer
    x = 25,487.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.