Home / 22,413.98-30,931.38-13,461.64

Finding the Fourth Proportional to 22,413.98, 30,931.38 and 13,461.64

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Solution

The fourth proportional to 22,413.98, 30,931.38 and 13,461.64 is: 18,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,413.98 : 30,931.38 = 13,461.64 : x
  2. Step 2: Convert to fraction form
    22,413.98/30,931.38 = 13,461.64/x
  3. Step 3: Cross multiply
    22,413.98x = 30,931.38 × 13,461.64
  4. Step 4: Simplify right side
    22,413.98x = 416,387,024.93
  5. Step 5: Solve for x
    x = 416,387,024.93/22,413.98
  6. Step 6: Final answer
    x = 18,577.11

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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.