Home / 14,764.78-22,140.67-5,402.36

Finding the Fourth Proportional to 14,764.78, 22,140.67 and 5,402.36

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Solution

The fourth proportional to 14,764.78, 22,140.67 and 5,402.36 is: 8,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.78 : 22,140.67 = 5,402.36 : x
  2. Step 2: Convert to fraction form
    14,764.78/22,140.67 = 5,402.36/x
  3. Step 3: Cross multiply
    14,764.78x = 22,140.67 × 5,402.36
  4. Step 4: Simplify right side
    14,764.78x = 119,611,921.96
  5. Step 5: Solve for x
    x = 119,611,921.96/14,764.78
  6. Step 6: Final answer
    x = 8,101.17

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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.