Home / 23,146.70-31,918.55-19,800.59

Finding the Fourth Proportional to 23,146.70, 31,918.55 and 19,800.59

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Solution

The fourth proportional to 23,146.70, 31,918.55 and 19,800.59 is: 27,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,146.70 : 31,918.55 = 19,800.59 : x
  2. Step 2: Convert to fraction form
    23,146.70/31,918.55 = 19,800.59/x
  3. Step 3: Cross multiply
    23,146.70x = 31,918.55 × 19,800.59
  4. Step 4: Simplify right side
    23,146.70x = 632,005,863.35
  5. Step 5: Solve for x
    x = 632,005,863.35/23,146.70
  6. Step 6: Final answer
    x = 27,304.37

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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.