Home / 15,419.00-23,111.66-7,912.06

Finding the Fourth Proportional to 15,419.00, 23,111.66 and 7,912.06

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Solution

The fourth proportional to 15,419.00, 23,111.66 and 7,912.06 is: 11,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.00 : 23,111.66 = 7,912.06 : x
  2. Step 2: Convert to fraction form
    15,419.00/23,111.66 = 7,912.06/x
  3. Step 3: Cross multiply
    15,419.00x = 23,111.66 × 7,912.06
  4. Step 4: Simplify right side
    15,419.00x = 182,860,802.62
  5. Step 5: Solve for x
    x = 182,860,802.62/15,419.00
  6. Step 6: Final answer
    x = 11,859.44

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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.