Home / 37,215.18-55,822.68-10,919.88

Finding the Fourth Proportional to 37,215.18, 55,822.68 and 10,919.88

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Solution

The fourth proportional to 37,215.18, 55,822.68 and 10,919.88 is: 16,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.18 : 55,822.68 = 10,919.88 : x
  2. Step 2: Convert to fraction form
    37,215.18/55,822.68 = 10,919.88/x
  3. Step 3: Cross multiply
    37,215.18x = 55,822.68 × 10,919.88
  4. Step 4: Simplify right side
    37,215.18x = 609,576,966.88
  5. Step 5: Solve for x
    x = 609,576,966.88/37,215.18
  6. Step 6: Final answer
    x = 16,379.79

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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.