Home / 25,550.04-38,331.21-8,019.86

Finding the Fourth Proportional to 25,550.04, 38,331.21 and 8,019.86

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Solution

The fourth proportional to 25,550.04, 38,331.21 and 8,019.86 is: 12,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.04 : 38,331.21 = 8,019.86 : x
  2. Step 2: Convert to fraction form
    25,550.04/38,331.21 = 8,019.86/x
  3. Step 3: Cross multiply
    25,550.04x = 38,331.21 × 8,019.86
  4. Step 4: Simplify right side
    25,550.04x = 307,410,746.17
  5. Step 5: Solve for x
    x = 307,410,746.17/25,550.04
  6. Step 6: Final answer
    x = 12,031.71

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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.