Home / 37,415.10-56,122.48-12,455.11

Finding the Fourth Proportional to 37,415.10, 56,122.48 and 12,455.11

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Solution

The fourth proportional to 37,415.10, 56,122.48 and 12,455.11 is: 18,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,415.10 : 56,122.48 = 12,455.11 : x
  2. Step 2: Convert to fraction form
    37,415.10/56,122.48 = 12,455.11/x
  3. Step 3: Cross multiply
    37,415.10x = 56,122.48 × 12,455.11
  4. Step 4: Simplify right side
    37,415.10x = 699,011,661.87
  5. Step 5: Solve for x
    x = 699,011,661.87/37,415.10
  6. Step 6: Final answer
    x = 18,682.61

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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.