Home / 18,226.70-25,154.63-10,672.56

Finding the Fourth Proportional to 18,226.70, 25,154.63 and 10,672.56

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Solution

The fourth proportional to 18,226.70, 25,154.63 and 10,672.56 is: 14,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.70 : 25,154.63 = 10,672.56 : x
  2. Step 2: Convert to fraction form
    18,226.70/25,154.63 = 10,672.56/x
  3. Step 3: Cross multiply
    18,226.70x = 25,154.63 × 10,672.56
  4. Step 4: Simplify right side
    18,226.70x = 268,464,244.59
  5. Step 5: Solve for x
    x = 268,464,244.59/18,226.70
  6. Step 6: Final answer
    x = 14,729.18

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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.