Home / 37,155.03-55,720.83-12,189.26

Finding the Fourth Proportional to 37,155.03, 55,720.83 and 12,189.26

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Solution

The fourth proportional to 37,155.03, 55,720.83 and 12,189.26 is: 18,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155.03 : 55,720.83 = 12,189.26 : x
  2. Step 2: Convert to fraction form
    37,155.03/55,720.83 = 12,189.26/x
  3. Step 3: Cross multiply
    37,155.03x = 55,720.83 × 12,189.26
  4. Step 4: Simplify right side
    37,155.03x = 679,195,645.11
  5. Step 5: Solve for x
    x = 679,195,645.11/37,155.03
  6. Step 6: Final answer
    x = 18,280.05

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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.