Home / 23,346.68-32,221.11-12,999.47

Finding the Fourth Proportional to 23,346.68, 32,221.11 and 12,999.47

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Solution

The fourth proportional to 23,346.68, 32,221.11 and 12,999.47 is: 17,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,346.68 : 32,221.11 = 12,999.47 : x
  2. Step 2: Convert to fraction form
    23,346.68/32,221.11 = 12,999.47/x
  3. Step 3: Cross multiply
    23,346.68x = 32,221.11 × 12,999.47
  4. Step 4: Simplify right side
    23,346.68x = 418,857,352.81
  5. Step 5: Solve for x
    x = 418,857,352.81/23,346.68
  6. Step 6: Final answer
    x = 17,940.77

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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.