Home / 15,910.58-21,972.93-11,925.38

Finding the Fourth Proportional to 15,910.58, 21,972.93 and 11,925.38

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Solution

The fourth proportional to 15,910.58, 21,972.93 and 11,925.38 is: 16,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.58 : 21,972.93 = 11,925.38 : x
  2. Step 2: Convert to fraction form
    15,910.58/21,972.93 = 11,925.38/x
  3. Step 3: Cross multiply
    15,910.58x = 21,972.93 × 11,925.38
  4. Step 4: Simplify right side
    15,910.58x = 262,035,539.96
  5. Step 5: Solve for x
    x = 262,035,539.96/15,910.58
  6. Step 6: Final answer
    x = 16,469.26

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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.