Home / 15,536.75-21,441.93-8,824.49

Finding the Fourth Proportional to 15,536.75, 21,441.93 and 8,824.49

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Solution

The fourth proportional to 15,536.75, 21,441.93 and 8,824.49 is: 12,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.75 : 21,441.93 = 8,824.49 : x
  2. Step 2: Convert to fraction form
    15,536.75/21,441.93 = 8,824.49/x
  3. Step 3: Cross multiply
    15,536.75x = 21,441.93 × 8,824.49
  4. Step 4: Simplify right side
    15,536.75x = 189,214,096.87
  5. Step 5: Solve for x
    x = 189,214,096.87/15,536.75
  6. Step 6: Final answer
    x = 12,178.49

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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.