Home / 37,818.87-56,714.81-12,513.75

Finding the Fourth Proportional to 37,818.87, 56,714.81 and 12,513.75

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Solution

The fourth proportional to 37,818.87, 56,714.81 and 12,513.75 is: 18,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,818.87 : 56,714.81 = 12,513.75 : x
  2. Step 2: Convert to fraction form
    37,818.87/56,714.81 = 12,513.75/x
  3. Step 3: Cross multiply
    37,818.87x = 56,714.81 × 12,513.75
  4. Step 4: Simplify right side
    37,818.87x = 709,714,891.07
  5. Step 5: Solve for x
    x = 709,714,891.07/37,818.87
  6. Step 6: Final answer
    x = 18,766.16

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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.