Home / 14,410.20-19,889.88-9,934.68

Finding the Fourth Proportional to 14,410.20, 19,889.88 and 9,934.68

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Solution

The fourth proportional to 14,410.20, 19,889.88 and 9,934.68 is: 13,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.20 : 19,889.88 = 9,934.68 : x
  2. Step 2: Convert to fraction form
    14,410.20/19,889.88 = 9,934.68/x
  3. Step 3: Cross multiply
    14,410.20x = 19,889.88 × 9,934.68
  4. Step 4: Simplify right side
    14,410.20x = 197,599,593.04
  5. Step 5: Solve for x
    x = 197,599,593.04/14,410.20
  6. Step 6: Final answer
    x = 13,712.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.