Home / 13,694.20-18,892.93-10,117.77

Finding the Fourth Proportional to 13,694.20, 18,892.93 and 10,117.77

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Solution

The fourth proportional to 13,694.20, 18,892.93 and 10,117.77 is: 13,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.20 : 18,892.93 = 10,117.77 : x
  2. Step 2: Convert to fraction form
    13,694.20/18,892.93 = 10,117.77/x
  3. Step 3: Cross multiply
    13,694.20x = 18,892.93 × 10,117.77
  4. Step 4: Simplify right side
    13,694.20x = 191,154,320.37
  5. Step 5: Solve for x
    x = 191,154,320.37/13,694.20
  6. Step 6: Final answer
    x = 13,958.78

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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.