Home / 14,011.62-21,023.04-5,692.28

Finding the Fourth Proportional to 14,011.62, 21,023.04 and 5,692.28

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Solution

The fourth proportional to 14,011.62, 21,023.04 and 5,692.28 is: 8,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.62 : 21,023.04 = 5,692.28 : x
  2. Step 2: Convert to fraction form
    14,011.62/21,023.04 = 5,692.28/x
  3. Step 3: Cross multiply
    14,011.62x = 21,023.04 × 5,692.28
  4. Step 4: Simplify right side
    14,011.62x = 119,668,946.36
  5. Step 5: Solve for x
    x = 119,668,946.36/14,011.62
  6. Step 6: Final answer
    x = 8,540.70

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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.