Home / 18,601.31-25,670.01-10,217.81

Finding the Fourth Proportional to 18,601.31, 25,670.01 and 10,217.81

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Solution

The fourth proportional to 18,601.31, 25,670.01 and 10,217.81 is: 14,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.31 : 25,670.01 = 10,217.81 : x
  2. Step 2: Convert to fraction form
    18,601.31/25,670.01 = 10,217.81/x
  3. Step 3: Cross multiply
    18,601.31x = 25,670.01 × 10,217.81
  4. Step 4: Simplify right side
    18,601.31x = 262,291,387.37
  5. Step 5: Solve for x
    x = 262,291,387.37/18,601.31
  6. Step 6: Final answer
    x = 14,100.69

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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.