Home / 17,390.61-26,127.45-11,162.84

Finding the Fourth Proportional to 17,390.61, 26,127.45 and 11,162.84

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Solution

The fourth proportional to 17,390.61, 26,127.45 and 11,162.84 is: 16,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.61 : 26,127.45 = 11,162.84 : x
  2. Step 2: Convert to fraction form
    17,390.61/26,127.45 = 11,162.84/x
  3. Step 3: Cross multiply
    17,390.61x = 26,127.45 × 11,162.84
  4. Step 4: Simplify right side
    17,390.61x = 291,656,413.32
  5. Step 5: Solve for x
    x = 291,656,413.32/17,390.61
  6. Step 6: Final answer
    x = 16,770.91

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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.