Home / 12,500.36-18,731.98-5,095.76

Finding the Fourth Proportional to 12,500.36, 18,731.98 and 5,095.76

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Solution

The fourth proportional to 12,500.36, 18,731.98 and 5,095.76 is: 7,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.36 : 18,731.98 = 5,095.76 : x
  2. Step 2: Convert to fraction form
    12,500.36/18,731.98 = 5,095.76/x
  3. Step 3: Cross multiply
    12,500.36x = 18,731.98 × 5,095.76
  4. Step 4: Simplify right side
    12,500.36x = 95,453,674.40
  5. Step 5: Solve for x
    x = 95,453,674.40/12,500.36
  6. Step 6: Final answer
    x = 7,636.07

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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.