Home / 15,551.44-21,464.20-8,837.52

Finding the Fourth Proportional to 15,551.44, 21,464.20 and 8,837.52

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Solution

The fourth proportional to 15,551.44, 21,464.20 and 8,837.52 is: 12,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.44 : 21,464.20 = 8,837.52 : x
  2. Step 2: Convert to fraction form
    15,551.44/21,464.20 = 8,837.52/x
  3. Step 3: Cross multiply
    15,551.44x = 21,464.20 × 8,837.52
  4. Step 4: Simplify right side
    15,551.44x = 189,690,296.78
  5. Step 5: Solve for x
    x = 189,690,296.78/15,551.44
  6. Step 6: Final answer
    x = 12,197.60

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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.