Home / 21,534.12-32,301.43-5,739.06

Finding the Fourth Proportional to 21,534.12, 32,301.43 and 5,739.06

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Solution

The fourth proportional to 21,534.12, 32,301.43 and 5,739.06 is: 8,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.12 : 32,301.43 = 5,739.06 : x
  2. Step 2: Convert to fraction form
    21,534.12/32,301.43 = 5,739.06/x
  3. Step 3: Cross multiply
    21,534.12x = 32,301.43 × 5,739.06
  4. Step 4: Simplify right side
    21,534.12x = 185,379,844.86
  5. Step 5: Solve for x
    x = 185,379,844.86/21,534.12
  6. Step 6: Final answer
    x = 8,608.66

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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.