Home / 15,930.94-23,904.70-8,906.62

Finding the Fourth Proportional to 15,930.94, 23,904.70 and 8,906.62

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Solution

The fourth proportional to 15,930.94, 23,904.70 and 8,906.62 is: 13,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.94 : 23,904.70 = 8,906.62 : x
  2. Step 2: Convert to fraction form
    15,930.94/23,904.70 = 8,906.62/x
  3. Step 3: Cross multiply
    15,930.94x = 23,904.70 × 8,906.62
  4. Step 4: Simplify right side
    15,930.94x = 212,910,079.11
  5. Step 5: Solve for x
    x = 212,910,079.11/15,930.94
  6. Step 6: Final answer
    x = 13,364.56

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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.