Home / 23,002.11-31,745.93-13,570.47

Finding the Fourth Proportional to 23,002.11, 31,745.93 and 13,570.47

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Solution

The fourth proportional to 23,002.11, 31,745.93 and 13,570.47 is: 18,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,002.11 : 31,745.93 = 13,570.47 : x
  2. Step 2: Convert to fraction form
    23,002.11/31,745.93 = 13,570.47/x
  3. Step 3: Cross multiply
    23,002.11x = 31,745.93 × 13,570.47
  4. Step 4: Simplify right side
    23,002.11x = 430,807,122.83
  5. Step 5: Solve for x
    x = 430,807,122.83/23,002.11
  6. Step 6: Final answer
    x = 18,729.03

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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.