Home / 23,087.90-34,632.94-11,987.58

Finding the Fourth Proportional to 23,087.90, 34,632.94 and 11,987.58

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Solution

The fourth proportional to 23,087.90, 34,632.94 and 11,987.58 is: 17,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,087.90 : 34,632.94 = 11,987.58 : x
  2. Step 2: Convert to fraction form
    23,087.90/34,632.94 = 11,987.58/x
  3. Step 3: Cross multiply
    23,087.90x = 34,632.94 × 11,987.58
  4. Step 4: Simplify right side
    23,087.90x = 415,165,138.89
  5. Step 5: Solve for x
    x = 415,165,138.89/23,087.90
  6. Step 6: Final answer
    x = 17,981.94

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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.