Home / 37,328.04-55,993.14-12,378.96

Finding the Fourth Proportional to 37,328.04, 55,993.14 and 12,378.96

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Solution

The fourth proportional to 37,328.04, 55,993.14 and 12,378.96 is: 18,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,328.04 : 55,993.14 = 12,378.96 : x
  2. Step 2: Convert to fraction form
    37,328.04/55,993.14 = 12,378.96/x
  3. Step 3: Cross multiply
    37,328.04x = 55,993.14 × 12,378.96
  4. Step 4: Simplify right side
    37,328.04x = 693,136,840.33
  5. Step 5: Solve for x
    x = 693,136,840.33/37,328.04
  6. Step 6: Final answer
    x = 18,568.80

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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.