Home / 19,800.90-29,692.47-11,799.44

Finding the Fourth Proportional to 19,800.90, 29,692.47 and 11,799.44

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Solution

The fourth proportional to 19,800.90, 29,692.47 and 11,799.44 is: 17,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800.90 : 29,692.47 = 11,799.44 : x
  2. Step 2: Convert to fraction form
    19,800.90/29,692.47 = 11,799.44/x
  3. Step 3: Cross multiply
    19,800.90x = 29,692.47 × 11,799.44
  4. Step 4: Simplify right side
    19,800.90x = 350,354,518.22
  5. Step 5: Solve for x
    x = 350,354,518.22/19,800.90
  6. Step 6: Final answer
    x = 17,693.87

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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.