Home / 15,429.72-23,127.08-7,092.51

Finding the Fourth Proportional to 15,429.72, 23,127.08 and 7,092.51

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Solution

The fourth proportional to 15,429.72, 23,127.08 and 7,092.51 is: 10,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.72 : 23,127.08 = 7,092.51 : x
  2. Step 2: Convert to fraction form
    15,429.72/23,127.08 = 7,092.51/x
  3. Step 3: Cross multiply
    15,429.72x = 23,127.08 × 7,092.51
  4. Step 4: Simplify right side
    15,429.72x = 164,028,923.98
  5. Step 5: Solve for x
    x = 164,028,923.98/15,429.72
  6. Step 6: Final answer
    x = 10,630.72

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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.