Home / 18,427.01-25,440.87-13,060.81

Finding the Fourth Proportional to 18,427.01, 25,440.87 and 13,060.81

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Solution

The fourth proportional to 18,427.01, 25,440.87 and 13,060.81 is: 18,032.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.01 : 25,440.87 = 13,060.81 : x
  2. Step 2: Convert to fraction form
    18,427.01/25,440.87 = 13,060.81/x
  3. Step 3: Cross multiply
    18,427.01x = 25,440.87 × 13,060.81
  4. Step 4: Simplify right side
    18,427.01x = 332,278,305.70
  5. Step 5: Solve for x
    x = 332,278,305.70/18,427.01
  6. Step 6: Final answer
    x = 18,032.14

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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.