Home / 20,029.19-30,017.49-14,739.43

Finding the Fourth Proportional to 20,029.19, 30,017.49 and 14,739.43

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Solution

The fourth proportional to 20,029.19, 30,017.49 and 14,739.43 is: 22,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.19 : 30,017.49 = 14,739.43 : x
  2. Step 2: Convert to fraction form
    20,029.19/30,017.49 = 14,739.43/x
  3. Step 3: Cross multiply
    20,029.19x = 30,017.49 × 14,739.43
  4. Step 4: Simplify right side
    20,029.19x = 442,440,692.63
  5. Step 5: Solve for x
    x = 442,440,692.63/20,029.19
  6. Step 6: Final answer
    x = 22,089.79

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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.