Home / 18,836.88-25,994.96-10,339.08

Finding the Fourth Proportional to 18,836.88, 25,994.96 and 10,339.08

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Solution

The fourth proportional to 18,836.88, 25,994.96 and 10,339.08 is: 14,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.88 : 25,994.96 = 10,339.08 : x
  2. Step 2: Convert to fraction form
    18,836.88/25,994.96 = 10,339.08/x
  3. Step 3: Cross multiply
    18,836.88x = 25,994.96 × 10,339.08
  4. Step 4: Simplify right side
    18,836.88x = 268,763,919.34
  5. Step 5: Solve for x
    x = 268,763,919.34/18,836.88
  6. Step 6: Final answer
    x = 14,267.96

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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.