Home / 23,115.72-34,673.58-9,255

Finding the Fourth Proportional to 23,115.72, 34,673.58 and 9,255

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Solution

The fourth proportional to 23,115.72, 34,673.58 and 9,255 is: 13,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.72 : 34,673.58 = 9,255 : x
  2. Step 2: Convert to fraction form
    23,115.72/34,673.58 = 9,255/x
  3. Step 3: Cross multiply
    23,115.72x = 34,673.58 × 9,255
  4. Step 4: Simplify right side
    23,115.72x = 320,903,982.90
  5. Step 5: Solve for x
    x = 320,903,982.90/23,115.72
  6. Step 6: Final answer
    x = 13,882.50

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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.