Home / 37,815.84-56,723.88-11,520.48

Finding the Fourth Proportional to 37,815.84, 56,723.88 and 11,520.48

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Solution

The fourth proportional to 37,815.84, 56,723.88 and 11,520.48 is: 17,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,815.84 : 56,723.88 = 11,520.48 : x
  2. Step 2: Convert to fraction form
    37,815.84/56,723.88 = 11,520.48/x
  3. Step 3: Cross multiply
    37,815.84x = 56,723.88 × 11,520.48
  4. Step 4: Simplify right side
    37,815.84x = 653,486,325.06
  5. Step 5: Solve for x
    x = 653,486,325.06/37,815.84
  6. Step 6: Final answer
    x = 17,280.76

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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.