Home / 16,824.64-23,212.86-9,749.70

Finding the Fourth Proportional to 16,824.64, 23,212.86 and 9,749.70

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Solution

The fourth proportional to 16,824.64, 23,212.86 and 9,749.70 is: 13,451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,824.64 : 23,212.86 = 9,749.70 : x
  2. Step 2: Convert to fraction form
    16,824.64/23,212.86 = 9,749.70/x
  3. Step 3: Cross multiply
    16,824.64x = 23,212.86 × 9,749.70
  4. Step 4: Simplify right side
    16,824.64x = 226,318,421.14
  5. Step 5: Solve for x
    x = 226,318,421.14/16,824.64
  6. Step 6: Final answer
    x = 13,451.61

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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.