Home / 18,506.35-25,557.42-11,795.14

Finding the Fourth Proportional to 18,506.35, 25,557.42 and 11,795.14

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Solution

The fourth proportional to 18,506.35, 25,557.42 and 11,795.14 is: 16,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.35 : 25,557.42 = 11,795.14 : x
  2. Step 2: Convert to fraction form
    18,506.35/25,557.42 = 11,795.14/x
  3. Step 3: Cross multiply
    18,506.35x = 25,557.42 × 11,795.14
  4. Step 4: Simplify right side
    18,506.35x = 301,453,346.94
  5. Step 5: Solve for x
    x = 301,453,346.94/18,506.35
  6. Step 6: Final answer
    x = 16,289.18

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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.