Home / 27,485.20-37,919.22-16,155.19

Finding the Fourth Proportional to 27,485.20, 37,919.22 and 16,155.19

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Solution

The fourth proportional to 27,485.20, 37,919.22 and 16,155.19 is: 22,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.20 : 37,919.22 = 16,155.19 : x
  2. Step 2: Convert to fraction form
    27,485.20/37,919.22 = 16,155.19/x
  3. Step 3: Cross multiply
    27,485.20x = 37,919.22 × 16,155.19
  4. Step 4: Simplify right side
    27,485.20x = 612,592,014.16
  5. Step 5: Solve for x
    x = 612,592,014.16/27,485.20
  6. Step 6: Final answer
    x = 22,288.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.