Home / 16,330.78-22,535.84-9,257.05

Finding the Fourth Proportional to 16,330.78, 22,535.84 and 9,257.05

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Solution

The fourth proportional to 16,330.78, 22,535.84 and 9,257.05 is: 12,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,330.78 : 22,535.84 = 9,257.05 : x
  2. Step 2: Convert to fraction form
    16,330.78/22,535.84 = 9,257.05/x
  3. Step 3: Cross multiply
    16,330.78x = 22,535.84 × 9,257.05
  4. Step 4: Simplify right side
    16,330.78x = 208,615,295.05
  5. Step 5: Solve for x
    x = 208,615,295.05/16,330.78
  6. Step 6: Final answer
    x = 12,774.36

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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.