Home / 23,689.02-32,690.34-13,617.20

Finding the Fourth Proportional to 23,689.02, 32,690.34 and 13,617.20

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Solution

The fourth proportional to 23,689.02, 32,690.34 and 13,617.20 is: 18,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.02 : 32,690.34 = 13,617.20 : x
  2. Step 2: Convert to fraction form
    23,689.02/32,690.34 = 13,617.20/x
  3. Step 3: Cross multiply
    23,689.02x = 32,690.34 × 13,617.20
  4. Step 4: Simplify right side
    23,689.02x = 445,150,734.40
  5. Step 5: Solve for x
    x = 445,150,734.40/23,689.02
  6. Step 6: Final answer
    x = 18,791.44

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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.