Home / 15,650.94-21,598.58-8,577.31

Finding the Fourth Proportional to 15,650.94, 21,598.58 and 8,577.31

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Solution

The fourth proportional to 15,650.94, 21,598.58 and 8,577.31 is: 11,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.94 : 21,598.58 = 8,577.31 : x
  2. Step 2: Convert to fraction form
    15,650.94/21,598.58 = 8,577.31/x
  3. Step 3: Cross multiply
    15,650.94x = 21,598.58 × 8,577.31
  4. Step 4: Simplify right side
    15,650.94x = 185,257,716.22
  5. Step 5: Solve for x
    x = 185,257,716.22/15,650.94
  6. Step 6: Final answer
    x = 11,836.84

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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.