Home / 12,500.19-18,747-3,733.02

Finding the Fourth Proportional to 12,500.19, 18,747 and 3,733.02

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Solution

The fourth proportional to 12,500.19, 18,747 and 3,733.02 is: 5,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.19 : 18,747 = 3,733.02 : x
  2. Step 2: Convert to fraction form
    12,500.19/18,747 = 3,733.02/x
  3. Step 3: Cross multiply
    12,500.19x = 18,747 × 3,733.02
  4. Step 4: Simplify right side
    12,500.19x = 69,982,925.94
  5. Step 5: Solve for x
    x = 69,982,925.94/12,500.19
  6. Step 6: Final answer
    x = 5,598.55

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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.