Home / 15,650.87-21,598.28-8,577.54

Finding the Fourth Proportional to 15,650.87, 21,598.28 and 8,577.54

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Solution

The fourth proportional to 15,650.87, 21,598.28 and 8,577.54 is: 11,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.87 : 21,598.28 = 8,577.54 : x
  2. Step 2: Convert to fraction form
    15,650.87/21,598.28 = 8,577.54/x
  3. Step 3: Cross multiply
    15,650.87x = 21,598.28 × 8,577.54
  4. Step 4: Simplify right side
    15,650.87x = 185,260,067.74
  5. Step 5: Solve for x
    x = 185,260,067.74/15,650.87
  6. Step 6: Final answer
    x = 11,837.05

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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.