Home / 13,864.91-20,794.32-4,002.05

Finding the Fourth Proportional to 13,864.91, 20,794.32 and 4,002.05

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Solution

The fourth proportional to 13,864.91, 20,794.32 and 4,002.05 is: 6,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.91 : 20,794.32 = 4,002.05 : x
  2. Step 2: Convert to fraction form
    13,864.91/20,794.32 = 4,002.05/x
  3. Step 3: Cross multiply
    13,864.91x = 20,794.32 × 4,002.05
  4. Step 4: Simplify right side
    13,864.91x = 83,219,908.36
  5. Step 5: Solve for x
    x = 83,219,908.36/13,864.91
  6. Step 6: Final answer
    x = 6,002.20

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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.