Home / 15,883.78-23,828.08-4,789.02

Finding the Fourth Proportional to 15,883.78, 23,828.08 and 4,789.02

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Solution

The fourth proportional to 15,883.78, 23,828.08 and 4,789.02 is: 7,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,883.78 : 23,828.08 = 4,789.02 : x
  2. Step 2: Convert to fraction form
    15,883.78/23,828.08 = 4,789.02/x
  3. Step 3: Cross multiply
    15,883.78x = 23,828.08 × 4,789.02
  4. Step 4: Simplify right side
    15,883.78x = 114,113,151.68
  5. Step 5: Solve for x
    x = 114,113,151.68/15,883.78
  6. Step 6: Final answer
    x = 7,184.26

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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.