Home / 23,112.02-31,876.45-19,930.58

Finding the Fourth Proportional to 23,112.02, 31,876.45 and 19,930.58

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Solution

The fourth proportional to 23,112.02, 31,876.45 and 19,930.58 is: 27,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.02 : 31,876.45 = 19,930.58 : x
  2. Step 2: Convert to fraction form
    23,112.02/31,876.45 = 19,930.58/x
  3. Step 3: Cross multiply
    23,112.02x = 31,876.45 × 19,930.58
  4. Step 4: Simplify right side
    23,112.02x = 635,316,136.84
  5. Step 5: Solve for x
    x = 635,316,136.84/23,112.02
  6. Step 6: Final answer
    x = 27,488.56

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1.5x scale

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.