Home / 21,576.44-29,768.36-17,590.70

Finding the Fourth Proportional to 21,576.44, 29,768.36 and 17,590.70

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Solution

The fourth proportional to 21,576.44, 29,768.36 and 17,590.70 is: 24,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.44 : 29,768.36 = 17,590.70 : x
  2. Step 2: Convert to fraction form
    21,576.44/29,768.36 = 17,590.70/x
  3. Step 3: Cross multiply
    21,576.44x = 29,768.36 × 17,590.70
  4. Step 4: Simplify right side
    21,576.44x = 523,646,290.25
  5. Step 5: Solve for x
    x = 523,646,290.25/21,576.44
  6. Step 6: Final answer
    x = 24,269.36

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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.