Home / 18,749.02-25,874.78-10,791.07

Finding the Fourth Proportional to 18,749.02, 25,874.78 and 10,791.07

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Solution

The fourth proportional to 18,749.02, 25,874.78 and 10,791.07 is: 14,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.02 : 25,874.78 = 10,791.07 : x
  2. Step 2: Convert to fraction form
    18,749.02/25,874.78 = 10,791.07/x
  3. Step 3: Cross multiply
    18,749.02x = 25,874.78 × 10,791.07
  4. Step 4: Simplify right side
    18,749.02x = 279,216,562.21
  5. Step 5: Solve for x
    x = 279,216,562.21/18,749.02
  6. Step 6: Final answer
    x = 14,892.33

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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.