Home / 21,566.59-32,355.25-17,140.95

Finding the Fourth Proportional to 21,566.59, 32,355.25 and 17,140.95

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Solution

The fourth proportional to 21,566.59, 32,355.25 and 17,140.95 is: 25,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.59 : 32,355.25 = 17,140.95 : x
  2. Step 2: Convert to fraction form
    21,566.59/32,355.25 = 17,140.95/x
  3. Step 3: Cross multiply
    21,566.59x = 32,355.25 × 17,140.95
  4. Step 4: Simplify right side
    21,566.59x = 554,599,679.64
  5. Step 5: Solve for x
    x = 554,599,679.64/21,566.59
  6. Step 6: Final answer
    x = 25,715.69

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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.