Home / 15,634.14-21,575.00-8,464.08

Finding the Fourth Proportional to 15,634.14, 21,575.00 and 8,464.08

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Solution

The fourth proportional to 15,634.14, 21,575.00 and 8,464.08 is: 11,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.14 : 21,575.00 = 8,464.08 : x
  2. Step 2: Convert to fraction form
    15,634.14/21,575.00 = 8,464.08/x
  3. Step 3: Cross multiply
    15,634.14x = 21,575.00 × 8,464.08
  4. Step 4: Simplify right side
    15,634.14x = 182,612,483.68
  5. Step 5: Solve for x
    x = 182,612,483.68/15,634.14
  6. Step 6: Final answer
    x = 11,680.37

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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.