Home / 23,791.22-32,831-13,720.08

Finding the Fourth Proportional to 23,791.22, 32,831 and 13,720.08

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Solution

The fourth proportional to 23,791.22, 32,831 and 13,720.08 is: 18,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,791.22 : 32,831 = 13,720.08 : x
  2. Step 2: Convert to fraction form
    23,791.22/32,831 = 13,720.08/x
  3. Step 3: Cross multiply
    23,791.22x = 32,831 × 13,720.08
  4. Step 4: Simplify right side
    23,791.22x = 450,443,946.48
  5. Step 5: Solve for x
    x = 450,443,946.48/23,791.22
  6. Step 6: Final answer
    x = 18,933.20

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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.