Home / 15,381.51-23,076.32-4,851.92

Finding the Fourth Proportional to 15,381.51, 23,076.32 and 4,851.92

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Solution

The fourth proportional to 15,381.51, 23,076.32 and 4,851.92 is: 7,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.51 : 23,076.32 = 4,851.92 : x
  2. Step 2: Convert to fraction form
    15,381.51/23,076.32 = 4,851.92/x
  3. Step 3: Cross multiply
    15,381.51x = 23,076.32 × 4,851.92
  4. Step 4: Simplify right side
    15,381.51x = 111,964,318.89
  5. Step 5: Solve for x
    x = 111,964,318.89/15,381.51
  6. Step 6: Final answer
    x = 7,279.15

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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.