Home / 21,897.06-32,816.97-19,116.66

Finding the Fourth Proportional to 21,897.06, 32,816.97 and 19,116.66

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Solution

The fourth proportional to 21,897.06, 32,816.97 and 19,116.66 is: 28,650.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,897.06 : 32,816.97 = 19,116.66 : x
  2. Step 2: Convert to fraction form
    21,897.06/32,816.97 = 19,116.66/x
  3. Step 3: Cross multiply
    21,897.06x = 32,816.97 × 19,116.66
  4. Step 4: Simplify right side
    21,897.06x = 627,350,857.72
  5. Step 5: Solve for x
    x = 627,350,857.72/21,897.06
  6. Step 6: Final answer
    x = 28,650.00

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1.5x scale

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.