Home / 34,520.76-47,639.64-19,413.48

Finding the Fourth Proportional to 34,520.76, 47,639.64 and 19,413.48

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Solution

The fourth proportional to 34,520.76, 47,639.64 and 19,413.48 is: 26,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,520.76 : 47,639.64 = 19,413.48 : x
  2. Step 2: Convert to fraction form
    34,520.76/47,639.64 = 19,413.48/x
  3. Step 3: Cross multiply
    34,520.76x = 47,639.64 × 19,413.48
  4. Step 4: Simplify right side
    34,520.76x = 924,851,198.35
  5. Step 5: Solve for x
    x = 924,851,198.35/34,520.76
  6. Step 6: Final answer
    x = 26,791.16

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1.5x scale

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.