Home / 15,592.75-21,518.48-8,519.64

Finding the Fourth Proportional to 15,592.75, 21,518.48 and 8,519.64

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Solution

The fourth proportional to 15,592.75, 21,518.48 and 8,519.64 is: 11,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.75 : 21,518.48 = 8,519.64 : x
  2. Step 2: Convert to fraction form
    15,592.75/21,518.48 = 8,519.64/x
  3. Step 3: Cross multiply
    15,592.75x = 21,518.48 × 8,519.64
  4. Step 4: Simplify right side
    15,592.75x = 183,329,702.95
  5. Step 5: Solve for x
    x = 183,329,702.95/15,592.75
  6. Step 6: Final answer
    x = 11,757.37

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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.