Home / 26,912.08-37,143.44-15,579.68

Finding the Fourth Proportional to 26,912.08, 37,143.44 and 15,579.68

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Solution

The fourth proportional to 26,912.08, 37,143.44 and 15,579.68 is: 21,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.08 : 37,143.44 = 15,579.68 : x
  2. Step 2: Convert to fraction form
    26,912.08/37,143.44 = 15,579.68/x
  3. Step 3: Cross multiply
    26,912.08x = 37,143.44 × 15,579.68
  4. Step 4: Simplify right side
    26,912.08x = 578,682,909.30
  5. Step 5: Solve for x
    x = 578,682,909.30/26,912.08
  6. Step 6: Final answer
    x = 21,502.72

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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.