Home / 23,150.78-31,919.03-18,897.52

Finding the Fourth Proportional to 23,150.78, 31,919.03 and 18,897.52

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Solution

The fourth proportional to 23,150.78, 31,919.03 and 18,897.52 is: 26,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,150.78 : 31,919.03 = 18,897.52 : x
  2. Step 2: Convert to fraction form
    23,150.78/31,919.03 = 18,897.52/x
  3. Step 3: Cross multiply
    23,150.78x = 31,919.03 × 18,897.52
  4. Step 4: Simplify right side
    23,150.78x = 603,190,507.81
  5. Step 5: Solve for x
    x = 603,190,507.81/23,150.78
  6. Step 6: Final answer
    x = 26,054.87

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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.