Home / 18,073.20-27,109.62-4,925.40

Finding the Fourth Proportional to 18,073.20, 27,109.62 and 4,925.40

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Solution

The fourth proportional to 18,073.20, 27,109.62 and 4,925.40 is: 7,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.20 : 27,109.62 = 4,925.40 : x
  2. Step 2: Convert to fraction form
    18,073.20/27,109.62 = 4,925.40/x
  3. Step 3: Cross multiply
    18,073.20x = 27,109.62 × 4,925.40
  4. Step 4: Simplify right side
    18,073.20x = 133,525,722.35
  5. Step 5: Solve for x
    x = 133,525,722.35/18,073.20
  6. Step 6: Final answer
    x = 7,388.05

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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.