Home / 17,677.42-24,394.92-9,720.16

Finding the Fourth Proportional to 17,677.42, 24,394.92 and 9,720.16

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Solution

The fourth proportional to 17,677.42, 24,394.92 and 9,720.16 is: 13,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.42 : 24,394.92 = 9,720.16 : x
  2. Step 2: Convert to fraction form
    17,677.42/24,394.92 = 9,720.16/x
  3. Step 3: Cross multiply
    17,677.42x = 24,394.92 × 9,720.16
  4. Step 4: Simplify right side
    17,677.42x = 237,122,525.59
  5. Step 5: Solve for x
    x = 237,122,525.59/17,677.42
  6. Step 6: Final answer
    x = 13,413.87

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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.