Home / 15,321.84-22,971.18-7,826.50

Finding the Fourth Proportional to 15,321.84, 22,971.18 and 7,826.50

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Solution

The fourth proportional to 15,321.84, 22,971.18 and 7,826.50 is: 11,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.84 : 22,971.18 = 7,826.50 : x
  2. Step 2: Convert to fraction form
    15,321.84/22,971.18 = 7,826.50/x
  3. Step 3: Cross multiply
    15,321.84x = 22,971.18 × 7,826.50
  4. Step 4: Simplify right side
    15,321.84x = 179,783,940.27
  5. Step 5: Solve for x
    x = 179,783,940.27/15,321.84
  6. Step 6: Final answer
    x = 11,733.83

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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.