Home / 14,002.34-21,003.87-4,774.82

Finding the Fourth Proportional to 14,002.34, 21,003.87 and 4,774.82

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Solution

The fourth proportional to 14,002.34, 21,003.87 and 4,774.82 is: 7,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.34 : 21,003.87 = 4,774.82 : x
  2. Step 2: Convert to fraction form
    14,002.34/21,003.87 = 4,774.82/x
  3. Step 3: Cross multiply
    14,002.34x = 21,003.87 × 4,774.82
  4. Step 4: Simplify right side
    14,002.34x = 100,289,698.55
  5. Step 5: Solve for x
    x = 100,289,698.55/14,002.34
  6. Step 6: Final answer
    x = 7,162.35

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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.