Home / 14,654.40-21,982.63-5,889.32

Finding the Fourth Proportional to 14,654.40, 21,982.63 and 5,889.32

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Solution

The fourth proportional to 14,654.40, 21,982.63 and 5,889.32 is: 8,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.40 : 21,982.63 = 5,889.32 : x
  2. Step 2: Convert to fraction form
    14,654.40/21,982.63 = 5,889.32/x
  3. Step 3: Cross multiply
    14,654.40x = 21,982.63 × 5,889.32
  4. Step 4: Simplify right side
    14,654.40x = 129,462,742.51
  5. Step 5: Solve for x
    x = 129,462,742.51/14,654.40
  6. Step 6: Final answer
    x = 8,834.39

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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.