Home / 15,099.23-20,812.70-10,252.44

Finding the Fourth Proportional to 15,099.23, 20,812.70 and 10,252.44

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Solution

The fourth proportional to 15,099.23, 20,812.70 and 10,252.44 is: 14,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.23 : 20,812.70 = 10,252.44 : x
  2. Step 2: Convert to fraction form
    15,099.23/20,812.70 = 10,252.44/x
  3. Step 3: Cross multiply
    15,099.23x = 20,812.70 × 10,252.44
  4. Step 4: Simplify right side
    15,099.23x = 213,380,925.95
  5. Step 5: Solve for x
    x = 213,380,925.95/15,099.23
  6. Step 6: Final answer
    x = 14,131.91

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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.