Home / 15,646.82-21,592.49-8,573.09

Finding the Fourth Proportional to 15,646.82, 21,592.49 and 8,573.09

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Solution

The fourth proportional to 15,646.82, 21,592.49 and 8,573.09 is: 11,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.82 : 21,592.49 = 8,573.09 : x
  2. Step 2: Convert to fraction form
    15,646.82/21,592.49 = 8,573.09/x
  3. Step 3: Cross multiply
    15,646.82x = 21,592.49 × 8,573.09
  4. Step 4: Simplify right side
    15,646.82x = 185,114,209.27
  5. Step 5: Solve for x
    x = 185,114,209.27/15,646.82
  6. Step 6: Final answer
    x = 11,830.79

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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.