Home / 21,486.61-32,253.47-17,072.65

Finding the Fourth Proportional to 21,486.61, 32,253.47 and 17,072.65

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Solution

The fourth proportional to 21,486.61, 32,253.47 and 17,072.65 is: 25,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.61 : 32,253.47 = 17,072.65 : x
  2. Step 2: Convert to fraction form
    21,486.61/32,253.47 = 17,072.65/x
  3. Step 3: Cross multiply
    21,486.61x = 32,253.47 × 17,072.65
  4. Step 4: Simplify right side
    21,486.61x = 550,652,204.60
  5. Step 5: Solve for x
    x = 550,652,204.60/21,486.61
  6. Step 6: Final answer
    x = 25,627.69

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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.