Home / 15,411.12-23,122.80-5,022.96

Finding the Fourth Proportional to 15,411.12, 23,122.80 and 5,022.96

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Solution

The fourth proportional to 15,411.12, 23,122.80 and 5,022.96 is: 7,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.12 : 23,122.80 = 5,022.96 : x
  2. Step 2: Convert to fraction form
    15,411.12/23,122.80 = 5,022.96/x
  3. Step 3: Cross multiply
    15,411.12x = 23,122.80 × 5,022.96
  4. Step 4: Simplify right side
    15,411.12x = 116,144,899.49
  5. Step 5: Solve for x
    x = 116,144,899.49/15,411.12
  6. Step 6: Final answer
    x = 7,536.43

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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.