Home / 14,526.83-21,789.78-4,138.58

Finding the Fourth Proportional to 14,526.83, 21,789.78 and 4,138.58

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Solution

The fourth proportional to 14,526.83, 21,789.78 and 4,138.58 is: 6,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526.83 : 21,789.78 = 4,138.58 : x
  2. Step 2: Convert to fraction form
    14,526.83/21,789.78 = 4,138.58/x
  3. Step 3: Cross multiply
    14,526.83x = 21,789.78 × 4,138.58
  4. Step 4: Simplify right side
    14,526.83x = 90,178,638.76
  5. Step 5: Solve for x
    x = 90,178,638.76/14,526.83
  6. Step 6: Final answer
    x = 6,207.73

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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.