Home / 18,226.63-25,154.78-11,511.93

Finding the Fourth Proportional to 18,226.63, 25,154.78 and 11,511.93

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Solution

The fourth proportional to 18,226.63, 25,154.78 and 11,511.93 is: 15,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.63 : 25,154.78 = 11,511.93 : x
  2. Step 2: Convert to fraction form
    18,226.63/25,154.78 = 11,511.93/x
  3. Step 3: Cross multiply
    18,226.63x = 25,154.78 × 11,511.93
  4. Step 4: Simplify right side
    18,226.63x = 289,580,008.97
  5. Step 5: Solve for x
    x = 289,580,008.97/18,226.63
  6. Step 6: Final answer
    x = 15,887.74

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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.