Home / 15,413.48-23,117.64-5,550.92

Finding the Fourth Proportional to 15,413.48, 23,117.64 and 5,550.92

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Solution

The fourth proportional to 15,413.48, 23,117.64 and 5,550.92 is: 8,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.48 : 23,117.64 = 5,550.92 : x
  2. Step 2: Convert to fraction form
    15,413.48/23,117.64 = 5,550.92/x
  3. Step 3: Cross multiply
    15,413.48x = 23,117.64 × 5,550.92
  4. Step 4: Simplify right side
    15,413.48x = 128,324,170.23
  5. Step 5: Solve for x
    x = 128,324,170.23/15,413.48
  6. Step 6: Final answer
    x = 8,325.45

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1.5x scale

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.