Home / 21,410.14-32,115.45-9,564.52

Finding the Fourth Proportional to 21,410.14, 32,115.45 and 9,564.52

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Solution

The fourth proportional to 21,410.14, 32,115.45 and 9,564.52 is: 14,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.14 : 32,115.45 = 9,564.52 : x
  2. Step 2: Convert to fraction form
    21,410.14/32,115.45 = 9,564.52/x
  3. Step 3: Cross multiply
    21,410.14x = 32,115.45 × 9,564.52
  4. Step 4: Simplify right side
    21,410.14x = 307,168,863.83
  5. Step 5: Solve for x
    x = 307,168,863.83/21,410.14
  6. Step 6: Final answer
    x = 14,346.89

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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.