Home / 21,383.76-32,075.66-5,801.39

Finding the Fourth Proportional to 21,383.76, 32,075.66 and 5,801.39

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Solution

The fourth proportional to 21,383.76, 32,075.66 and 5,801.39 is: 8,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383.76 : 32,075.66 = 5,801.39 : x
  2. Step 2: Convert to fraction form
    21,383.76/32,075.66 = 5,801.39/x
  3. Step 3: Cross multiply
    21,383.76x = 32,075.66 × 5,801.39
  4. Step 4: Simplify right side
    21,383.76x = 186,083,387.58
  5. Step 5: Solve for x
    x = 186,083,387.58/21,383.76
  6. Step 6: Final answer
    x = 8,702.09

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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.