Home / 17,516.10-24,172.20-11,228.48

Finding the Fourth Proportional to 17,516.10, 24,172.20 and 11,228.48

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Solution

The fourth proportional to 17,516.10, 24,172.20 and 11,228.48 is: 15,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,516.10 : 24,172.20 = 11,228.48 : x
  2. Step 2: Convert to fraction form
    17,516.10/24,172.20 = 11,228.48/x
  3. Step 3: Cross multiply
    17,516.10x = 24,172.20 × 11,228.48
  4. Step 4: Simplify right side
    17,516.10x = 271,417,064.26
  5. Step 5: Solve for x
    x = 271,417,064.26/17,516.10
  6. Step 6: Final answer
    x = 15,495.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.