Home / 19,970.20-29,897.70-17,896.60

Finding the Fourth Proportional to 19,970.20, 29,897.70 and 17,896.60

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Solution

The fourth proportional to 19,970.20, 29,897.70 and 17,896.60 is: 26,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.20 : 29,897.70 = 17,896.60 : x
  2. Step 2: Convert to fraction form
    19,970.20/29,897.70 = 17,896.60/x
  3. Step 3: Cross multiply
    19,970.20x = 29,897.70 × 17,896.60
  4. Step 4: Simplify right side
    19,970.20x = 535,067,177.82
  5. Step 5: Solve for x
    x = 535,067,177.82/19,970.20
  6. Step 6: Final answer
    x = 26,793.28

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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.