Home / 15,475.24-23,212.80-5,614.51

Finding the Fourth Proportional to 15,475.24, 23,212.80 and 5,614.51

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Solution

The fourth proportional to 15,475.24, 23,212.80 and 5,614.51 is: 8,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.24 : 23,212.80 = 5,614.51 : x
  2. Step 2: Convert to fraction form
    15,475.24/23,212.80 = 5,614.51/x
  3. Step 3: Cross multiply
    15,475.24x = 23,212.80 × 5,614.51
  4. Step 4: Simplify right side
    15,475.24x = 130,328,497.73
  5. Step 5: Solve for x
    x = 130,328,497.73/15,475.24
  6. Step 6: Final answer
    x = 8,421.74

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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.