Home / 18,764.40-25,894.68-10,380.96

Finding the Fourth Proportional to 18,764.40, 25,894.68 and 10,380.96

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Solution

The fourth proportional to 18,764.40, 25,894.68 and 10,380.96 is: 14,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.40 : 25,894.68 = 10,380.96 : x
  2. Step 2: Convert to fraction form
    18,764.40/25,894.68 = 10,380.96/x
  3. Step 3: Cross multiply
    18,764.40x = 25,894.68 × 10,380.96
  4. Step 4: Simplify right side
    18,764.40x = 268,811,637.29
  5. Step 5: Solve for x
    x = 268,811,637.29/18,764.40
  6. Step 6: Final answer
    x = 14,325.62

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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.