Home / 37,018.72-55,549.92-13,661.56

Finding the Fourth Proportional to 37,018.72, 55,549.92 and 13,661.56

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Solution

The fourth proportional to 37,018.72, 55,549.92 and 13,661.56 is: 20,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,018.72 : 55,549.92 = 13,661.56 : x
  2. Step 2: Convert to fraction form
    37,018.72/55,549.92 = 13,661.56/x
  3. Step 3: Cross multiply
    37,018.72x = 55,549.92 × 13,661.56
  4. Step 4: Simplify right side
    37,018.72x = 758,898,565.08
  5. Step 5: Solve for x
    x = 758,898,565.08/37,018.72
  6. Step 6: Final answer
    x = 20,500.40

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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.