Home / 18,601.30-25,670.07-10,103.59

Finding the Fourth Proportional to 18,601.30, 25,670.07 and 10,103.59

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Solution

The fourth proportional to 18,601.30, 25,670.07 and 10,103.59 is: 13,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.30 : 25,670.07 = 10,103.59 : x
  2. Step 2: Convert to fraction form
    18,601.30/25,670.07 = 10,103.59/x
  3. Step 3: Cross multiply
    18,601.30x = 25,670.07 × 10,103.59
  4. Step 4: Simplify right side
    18,601.30x = 259,359,828.09
  5. Step 5: Solve for x
    x = 259,359,828.09/18,601.30
  6. Step 6: Final answer
    x = 13,943.10

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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.