Home / 13,994.11-20,996.63-5,226.98

Finding the Fourth Proportional to 13,994.11, 20,996.63 and 5,226.98

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Solution

The fourth proportional to 13,994.11, 20,996.63 and 5,226.98 is: 7,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.11 : 20,996.63 = 5,226.98 : x
  2. Step 2: Convert to fraction form
    13,994.11/20,996.63 = 5,226.98/x
  3. Step 3: Cross multiply
    13,994.11x = 20,996.63 × 5,226.98
  4. Step 4: Simplify right side
    13,994.11x = 109,748,873.16
  5. Step 5: Solve for x
    x = 109,748,873.16/13,994.11
  6. Step 6: Final answer
    x = 7,842.51

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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.