Home / 15,428.10-23,142.96-8,852.52

Finding the Fourth Proportional to 15,428.10, 23,142.96 and 8,852.52

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Solution

The fourth proportional to 15,428.10, 23,142.96 and 8,852.52 is: 13,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.10 : 23,142.96 = 8,852.52 : x
  2. Step 2: Convert to fraction form
    15,428.10/23,142.96 = 8,852.52/x
  3. Step 3: Cross multiply
    15,428.10x = 23,142.96 × 8,852.52
  4. Step 4: Simplify right side
    15,428.10x = 204,873,516.26
  5. Step 5: Solve for x
    x = 204,873,516.26/15,428.10
  6. Step 6: Final answer
    x = 13,279.24

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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.