Home / 15,285.78-22,917.67-7,500.06

Finding the Fourth Proportional to 15,285.78, 22,917.67 and 7,500.06

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Solution

The fourth proportional to 15,285.78, 22,917.67 and 7,500.06 is: 11,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.78 : 22,917.67 = 7,500.06 : x
  2. Step 2: Convert to fraction form
    15,285.78/22,917.67 = 7,500.06/x
  3. Step 3: Cross multiply
    15,285.78x = 22,917.67 × 7,500.06
  4. Step 4: Simplify right side
    15,285.78x = 171,883,881.31
  5. Step 5: Solve for x
    x = 171,883,881.31/15,285.78
  6. Step 6: Final answer
    x = 11,244.69

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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.