Home / 37,322.70-55,982.85-12,363.90

Finding the Fourth Proportional to 37,322.70, 55,982.85 and 12,363.90

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Solution

The fourth proportional to 37,322.70, 55,982.85 and 12,363.90 is: 18,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,322.70 : 55,982.85 = 12,363.90 : x
  2. Step 2: Convert to fraction form
    37,322.70/55,982.85 = 12,363.90/x
  3. Step 3: Cross multiply
    37,322.70x = 55,982.85 × 12,363.90
  4. Step 4: Simplify right side
    37,322.70x = 692,166,359.12
  5. Step 5: Solve for x
    x = 692,166,359.12/37,322.70
  6. Step 6: Final answer
    x = 18,545.45

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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.