Home / 25,433.99-38,138.68-8,788.19

Finding the Fourth Proportional to 25,433.99, 38,138.68 and 8,788.19

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Solution

The fourth proportional to 25,433.99, 38,138.68 and 8,788.19 is: 13,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,433.99 : 38,138.68 = 8,788.19 : x
  2. Step 2: Convert to fraction form
    25,433.99/38,138.68 = 8,788.19/x
  3. Step 3: Cross multiply
    25,433.99x = 38,138.68 × 8,788.19
  4. Step 4: Simplify right side
    25,433.99x = 335,169,786.48
  5. Step 5: Solve for x
    x = 335,169,786.48/25,433.99
  6. Step 6: Final answer
    x = 13,178.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.