Home / 27,812.64-41,683.92-19,873.80

Finding the Fourth Proportional to 27,812.64, 41,683.92 and 19,873.80

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Solution

The fourth proportional to 27,812.64, 41,683.92 and 19,873.80 is: 29,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.64 : 41,683.92 = 19,873.80 : x
  2. Step 2: Convert to fraction form
    27,812.64/41,683.92 = 19,873.80/x
  3. Step 3: Cross multiply
    27,812.64x = 41,683.92 × 19,873.80
  4. Step 4: Simplify right side
    27,812.64x = 828,417,889.30
  5. Step 5: Solve for x
    x = 828,417,889.30/27,812.64
  6. Step 6: Final answer
    x = 29,785.66

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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.