Home / 18,777.44-25,898.40-13,110.32

Finding the Fourth Proportional to 18,777.44, 25,898.40 and 13,110.32

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Solution

The fourth proportional to 18,777.44, 25,898.40 and 13,110.32 is: 18,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.44 : 25,898.40 = 13,110.32 : x
  2. Step 2: Convert to fraction form
    18,777.44/25,898.40 = 13,110.32/x
  3. Step 3: Cross multiply
    18,777.44x = 25,898.40 × 13,110.32
  4. Step 4: Simplify right side
    18,777.44x = 339,536,311.49
  5. Step 5: Solve for x
    x = 339,536,311.49/18,777.44
  6. Step 6: Final answer
    x = 18,082.14

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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.