Home / 18,601.74-25,670.61-10,103.94

Finding the Fourth Proportional to 18,601.74, 25,670.61 and 10,103.94

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Solution

The fourth proportional to 18,601.74, 25,670.61 and 10,103.94 is: 13,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.74 : 25,670.61 = 10,103.94 : x
  2. Step 2: Convert to fraction form
    18,601.74/25,670.61 = 10,103.94/x
  3. Step 3: Cross multiply
    18,601.74x = 25,670.61 × 10,103.94
  4. Step 4: Simplify right side
    18,601.74x = 259,374,303.20
  5. Step 5: Solve for x
    x = 259,374,303.20/18,601.74
  6. Step 6: Final answer
    x = 13,943.55

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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.