Home / 18,499.13-25,521.60-11,783.54

Finding the Fourth Proportional to 18,499.13, 25,521.60 and 11,783.54

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Solution

The fourth proportional to 18,499.13, 25,521.60 and 11,783.54 is: 16,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.13 : 25,521.60 = 11,783.54 : x
  2. Step 2: Convert to fraction form
    18,499.13/25,521.60 = 11,783.54/x
  3. Step 3: Cross multiply
    18,499.13x = 25,521.60 × 11,783.54
  4. Step 4: Simplify right side
    18,499.13x = 300,734,794.46
  5. Step 5: Solve for x
    x = 300,734,794.46/18,499.13
  6. Step 6: Final answer
    x = 16,256.70

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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.