Home / 19,244.30-28,866.45-18,077.90

Finding the Fourth Proportional to 19,244.30, 28,866.45 and 18,077.90

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Solution

The fourth proportional to 19,244.30, 28,866.45 and 18,077.90 is: 27,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244.30 : 28,866.45 = 18,077.90 : x
  2. Step 2: Convert to fraction form
    19,244.30/28,866.45 = 18,077.90/x
  3. Step 3: Cross multiply
    19,244.30x = 28,866.45 × 18,077.90
  4. Step 4: Simplify right side
    19,244.30x = 521,844,796.46
  5. Step 5: Solve for x
    x = 521,844,796.46/19,244.30
  6. Step 6: Final answer
    x = 27,116.85

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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.