Home / 21,961.95-32,866.36-17,967.03

Finding the Fourth Proportional to 21,961.95, 32,866.36 and 17,967.03

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Solution

The fourth proportional to 21,961.95, 32,866.36 and 17,967.03 is: 26,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.95 : 32,866.36 = 17,967.03 : x
  2. Step 2: Convert to fraction form
    21,961.95/32,866.36 = 17,967.03/x
  3. Step 3: Cross multiply
    21,961.95x = 32,866.36 × 17,967.03
  4. Step 4: Simplify right side
    21,961.95x = 590,510,876.11
  5. Step 5: Solve for x
    x = 590,510,876.11/21,961.95
  6. Step 6: Final answer
    x = 26,887.91

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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.