Home / 25,355.08-38,015.34-12,200.68

Finding the Fourth Proportional to 25,355.08, 38,015.34 and 12,200.68

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Solution

The fourth proportional to 25,355.08, 38,015.34 and 12,200.68 is: 18,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.08 : 38,015.34 = 12,200.68 : x
  2. Step 2: Convert to fraction form
    25,355.08/38,015.34 = 12,200.68/x
  3. Step 3: Cross multiply
    25,355.08x = 38,015.34 × 12,200.68
  4. Step 4: Simplify right side
    25,355.08x = 463,812,998.43
  5. Step 5: Solve for x
    x = 463,812,998.43/25,355.08
  6. Step 6: Final answer
    x = 18,292.70

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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.