Home / 21,403.50-32,110.11-11,542.56

Finding the Fourth Proportional to 21,403.50, 32,110.11 and 11,542.56

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Solution

The fourth proportional to 21,403.50, 32,110.11 and 11,542.56 is: 17,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.50 : 32,110.11 = 11,542.56 : x
  2. Step 2: Convert to fraction form
    21,403.50/32,110.11 = 11,542.56/x
  3. Step 3: Cross multiply
    21,403.50x = 32,110.11 × 11,542.56
  4. Step 4: Simplify right side
    21,403.50x = 370,632,871.28
  5. Step 5: Solve for x
    x = 370,632,871.28/21,403.50
  6. Step 6: Final answer
    x = 17,316.46

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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.