Home / 37,015.26-55,511.37-12,385.50

Finding the Fourth Proportional to 37,015.26, 55,511.37 and 12,385.50

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Solution

The fourth proportional to 37,015.26, 55,511.37 and 12,385.50 is: 18,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,015.26 : 55,511.37 = 12,385.50 : x
  2. Step 2: Convert to fraction form
    37,015.26/55,511.37 = 12,385.50/x
  3. Step 3: Cross multiply
    37,015.26x = 55,511.37 × 12,385.50
  4. Step 4: Simplify right side
    37,015.26x = 687,536,073.14
  5. Step 5: Solve for x
    x = 687,536,073.14/37,015.26
  6. Step 6: Final answer
    x = 18,574.40

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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.