Home / 18,626.05-25,703.90-10,449.68

Finding the Fourth Proportional to 18,626.05, 25,703.90 and 10,449.68

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Solution

The fourth proportional to 18,626.05, 25,703.90 and 10,449.68 is: 14,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.05 : 25,703.90 = 10,449.68 : x
  2. Step 2: Convert to fraction form
    18,626.05/25,703.90 = 10,449.68/x
  3. Step 3: Cross multiply
    18,626.05x = 25,703.90 × 10,449.68
  4. Step 4: Simplify right side
    18,626.05x = 268,597,417.56
  5. Step 5: Solve for x
    x = 268,597,417.56/18,626.05
  6. Step 6: Final answer
    x = 14,420.52

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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.