Home / 13,248.24-18,272.28-9,413.52

Finding the Fourth Proportional to 13,248.24, 18,272.28 and 9,413.52

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Solution

The fourth proportional to 13,248.24, 18,272.28 and 9,413.52 is: 12,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.24 : 18,272.28 = 9,413.52 : x
  2. Step 2: Convert to fraction form
    13,248.24/18,272.28 = 9,413.52/x
  3. Step 3: Cross multiply
    13,248.24x = 18,272.28 × 9,413.52
  4. Step 4: Simplify right side
    13,248.24x = 172,006,473.23
  5. Step 5: Solve for x
    x = 172,006,473.23/13,248.24
  6. Step 6: Final answer
    x = 12,983.35

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