Home / 15,178.04-22,761.60-6,413.64

Finding the Fourth Proportional to 15,178.04, 22,761.60 and 6,413.64

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Solution

The fourth proportional to 15,178.04, 22,761.60 and 6,413.64 is: 9,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.04 : 22,761.60 = 6,413.64 : x
  2. Step 2: Convert to fraction form
    15,178.04/22,761.60 = 6,413.64/x
  3. Step 3: Cross multiply
    15,178.04x = 22,761.60 × 6,413.64
  4. Step 4: Simplify right side
    15,178.04x = 145,984,684.17
  5. Step 5: Solve for x
    x = 145,984,684.17/15,178.04
  6. Step 6: Final answer
    x = 9,618.15

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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.