Home / 15,824.88-21,842.88-10,451.24

Finding the Fourth Proportional to 15,824.88, 21,842.88 and 10,451.24

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Solution

The fourth proportional to 15,824.88, 21,842.88 and 10,451.24 is: 14,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824.88 : 21,842.88 = 10,451.24 : x
  2. Step 2: Convert to fraction form
    15,824.88/21,842.88 = 10,451.24/x
  3. Step 3: Cross multiply
    15,824.88x = 21,842.88 × 10,451.24
  4. Step 4: Simplify right side
    15,824.88x = 228,285,181.17
  5. Step 5: Solve for x
    x = 228,285,181.17/15,824.88
  6. Step 6: Final answer
    x = 14,425.71

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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.