Home / 18,633.56-25,719.80-11,085.24

Finding the Fourth Proportional to 18,633.56, 25,719.80 and 11,085.24

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Solution

The fourth proportional to 18,633.56, 25,719.80 and 11,085.24 is: 15,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.56 : 25,719.80 = 11,085.24 : x
  2. Step 2: Convert to fraction form
    18,633.56/25,719.80 = 11,085.24/x
  3. Step 3: Cross multiply
    18,633.56x = 25,719.80 × 11,085.24
  4. Step 4: Simplify right side
    18,633.56x = 285,110,155.75
  5. Step 5: Solve for x
    x = 285,110,155.75/18,633.56
  6. Step 6: Final answer
    x = 15,300.90

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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.