Home / 21,811.07-32,709.66-7,016.54

Finding the Fourth Proportional to 21,811.07, 32,709.66 and 7,016.54

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Solution

The fourth proportional to 21,811.07, 32,709.66 and 7,016.54 is: 10,522.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811.07 : 32,709.66 = 7,016.54 : x
  2. Step 2: Convert to fraction form
    21,811.07/32,709.66 = 7,016.54/x
  3. Step 3: Cross multiply
    21,811.07x = 32,709.66 × 7,016.54
  4. Step 4: Simplify right side
    21,811.07x = 229,508,655.32
  5. Step 5: Solve for x
    x = 229,508,655.32/21,811.07
  6. Step 6: Final answer
    x = 10,522.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.