Home / 19,986.30-29,947.05-17,070.30

Finding the Fourth Proportional to 19,986.30, 29,947.05 and 17,070.30

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Solution

The fourth proportional to 19,986.30, 29,947.05 and 17,070.30 is: 25,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.30 : 29,947.05 = 17,070.30 : x
  2. Step 2: Convert to fraction form
    19,986.30/29,947.05 = 17,070.30/x
  3. Step 3: Cross multiply
    19,986.30x = 29,947.05 × 17,070.30
  4. Step 4: Simplify right side
    19,986.30x = 511,205,127.62
  5. Step 5: Solve for x
    x = 511,205,127.62/19,986.30
  6. Step 6: Final answer
    x = 25,577.78

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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.