Home / 14,013.72-21,020.52-4,654.44

Finding the Fourth Proportional to 14,013.72, 21,020.52 and 4,654.44

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Solution

The fourth proportional to 14,013.72, 21,020.52 and 4,654.44 is: 6,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.72 : 21,020.52 = 4,654.44 : x
  2. Step 2: Convert to fraction form
    14,013.72/21,020.52 = 4,654.44/x
  3. Step 3: Cross multiply
    14,013.72x = 21,020.52 × 4,654.44
  4. Step 4: Simplify right side
    14,013.72x = 97,838,749.11
  5. Step 5: Solve for x
    x = 97,838,749.11/14,013.72
  6. Step 6: Final answer
    x = 6,981.64

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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.