Home / 18,226.47-27,329.99-9,439.59

Finding the Fourth Proportional to 18,226.47, 27,329.99 and 9,439.59

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Solution

The fourth proportional to 18,226.47, 27,329.99 and 9,439.59 is: 14,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.47 : 27,329.99 = 9,439.59 : x
  2. Step 2: Convert to fraction form
    18,226.47/27,329.99 = 9,439.59/x
  3. Step 3: Cross multiply
    18,226.47x = 27,329.99 × 9,439.59
  4. Step 4: Simplify right side
    18,226.47x = 257,983,853.11
  5. Step 5: Solve for x
    x = 257,983,853.11/18,226.47
  6. Step 6: Final answer
    x = 14,154.35

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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.