Home / 15,413.67-23,125.67-4,885.39

Finding the Fourth Proportional to 15,413.67, 23,125.67 and 4,885.39

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Solution

The fourth proportional to 15,413.67, 23,125.67 and 4,885.39 is: 7,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.67 : 23,125.67 = 4,885.39 : x
  2. Step 2: Convert to fraction form
    15,413.67/23,125.67 = 4,885.39/x
  3. Step 3: Cross multiply
    15,413.67x = 23,125.67 × 4,885.39
  4. Step 4: Simplify right side
    15,413.67x = 112,977,916.96
  5. Step 5: Solve for x
    x = 112,977,916.96/15,413.67
  6. Step 6: Final answer
    x = 7,329.72

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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.