Home / 27,155.08-37,471.95-15,216.12

Finding the Fourth Proportional to 27,155.08, 37,471.95 and 15,216.12

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Solution

The fourth proportional to 27,155.08, 37,471.95 and 15,216.12 is: 20,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.08 : 37,471.95 = 15,216.12 : x
  2. Step 2: Convert to fraction form
    27,155.08/37,471.95 = 15,216.12/x
  3. Step 3: Cross multiply
    27,155.08x = 37,471.95 × 15,216.12
  4. Step 4: Simplify right side
    27,155.08x = 570,177,687.83
  5. Step 5: Solve for x
    x = 570,177,687.83/27,155.08
  6. Step 6: Final answer
    x = 20,997.09

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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.