Home / 15,890.10-23,786.55-9,296.70

Finding the Fourth Proportional to 15,890.10, 23,786.55 and 9,296.70

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Solution

The fourth proportional to 15,890.10, 23,786.55 and 9,296.70 is: 13,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.10 : 23,786.55 = 9,296.70 : x
  2. Step 2: Convert to fraction form
    15,890.10/23,786.55 = 9,296.70/x
  3. Step 3: Cross multiply
    15,890.10x = 23,786.55 × 9,296.70
  4. Step 4: Simplify right side
    15,890.10x = 221,136,419.39
  5. Step 5: Solve for x
    x = 221,136,419.39/15,890.10
  6. Step 6: Final answer
    x = 13,916.62

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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.