Home / 37,136.40-55,707.72-12,176.29

Finding the Fourth Proportional to 37,136.40, 55,707.72 and 12,176.29

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Solution

The fourth proportional to 37,136.40, 55,707.72 and 12,176.29 is: 18,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,136.40 : 55,707.72 = 12,176.29 : x
  2. Step 2: Convert to fraction form
    37,136.40/55,707.72 = 12,176.29/x
  3. Step 3: Cross multiply
    37,136.40x = 55,707.72 × 12,176.29
  4. Step 4: Simplify right side
    37,136.40x = 678,313,353.96
  5. Step 5: Solve for x
    x = 678,313,353.96/37,136.40
  6. Step 6: Final answer
    x = 18,265.46

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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.