Home / 21,437.25-32,068.38-17,281.95

Finding the Fourth Proportional to 21,437.25, 32,068.38 and 17,281.95

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Solution

The fourth proportional to 21,437.25, 32,068.38 and 17,281.95 is: 25,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.25 : 32,068.38 = 17,281.95 : x
  2. Step 2: Convert to fraction form
    21,437.25/32,068.38 = 17,281.95/x
  3. Step 3: Cross multiply
    21,437.25x = 32,068.38 × 17,281.95
  4. Step 4: Simplify right side
    21,437.25x = 554,204,139.74
  5. Step 5: Solve for x
    x = 554,204,139.74/21,437.25
  6. Step 6: Final answer
    x = 25,852.39

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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.