Home / 22,515.78-33,755.45-9,378.02

Finding the Fourth Proportional to 22,515.78, 33,755.45 and 9,378.02

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Solution

The fourth proportional to 22,515.78, 33,755.45 and 9,378.02 is: 14,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.78 : 33,755.45 = 9,378.02 : x
  2. Step 2: Convert to fraction form
    22,515.78/33,755.45 = 9,378.02/x
  3. Step 3: Cross multiply
    22,515.78x = 33,755.45 × 9,378.02
  4. Step 4: Simplify right side
    22,515.78x = 316,559,285.21
  5. Step 5: Solve for x
    x = 316,559,285.21/22,515.78
  6. Step 6: Final answer
    x = 14,059.44

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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.