Home / 20,692.15-31,043.38-5,901.19

Finding the Fourth Proportional to 20,692.15, 31,043.38 and 5,901.19

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Solution

The fourth proportional to 20,692.15, 31,043.38 and 5,901.19 is: 8,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692.15 : 31,043.38 = 5,901.19 : x
  2. Step 2: Convert to fraction form
    20,692.15/31,043.38 = 5,901.19/x
  3. Step 3: Cross multiply
    20,692.15x = 31,043.38 × 5,901.19
  4. Step 4: Simplify right side
    20,692.15x = 183,192,883.62
  5. Step 5: Solve for x
    x = 183,192,883.62/20,692.15
  6. Step 6: Final answer
    x = 8,853.26

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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.