Home / 18,409.12-25,404.72-10,025.68

Finding the Fourth Proportional to 18,409.12, 25,404.72 and 10,025.68

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Solution

The fourth proportional to 18,409.12, 25,404.72 and 10,025.68 is: 13,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409.12 : 25,404.72 = 10,025.68 : x
  2. Step 2: Convert to fraction form
    18,409.12/25,404.72 = 10,025.68/x
  3. Step 3: Cross multiply
    18,409.12x = 25,404.72 × 10,025.68
  4. Step 4: Simplify right side
    18,409.12x = 254,699,593.21
  5. Step 5: Solve for x
    x = 254,699,593.21/18,409.12
  6. Step 6: Final answer
    x = 13,835.51

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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.