Home / 22,413.21-33,612.30-11,312.82

Finding the Fourth Proportional to 22,413.21, 33,612.30 and 11,312.82

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Solution

The fourth proportional to 22,413.21, 33,612.30 and 11,312.82 is: 16,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,413.21 : 33,612.30 = 11,312.82 : x
  2. Step 2: Convert to fraction form
    22,413.21/33,612.30 = 11,312.82/x
  3. Step 3: Cross multiply
    22,413.21x = 33,612.30 × 11,312.82
  4. Step 4: Simplify right side
    22,413.21x = 380,249,899.69
  5. Step 5: Solve for x
    x = 380,249,899.69/22,413.21
  6. Step 6: Final answer
    x = 16,965.44

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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.