Home / 23,088.78-34,620.75-11,967.90

Finding the Fourth Proportional to 23,088.78, 34,620.75 and 11,967.90

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Solution

The fourth proportional to 23,088.78, 34,620.75 and 11,967.90 is: 17,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,088.78 : 34,620.75 = 11,967.90 : x
  2. Step 2: Convert to fraction form
    23,088.78/34,620.75 = 11,967.90/x
  3. Step 3: Cross multiply
    23,088.78x = 34,620.75 × 11,967.90
  4. Step 4: Simplify right side
    23,088.78x = 414,337,673.93
  5. Step 5: Solve for x
    x = 414,337,673.93/23,088.78
  6. Step 6: Final answer
    x = 17,945.41

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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.