Home / 22,413.48-30,930.35-12,341.71

Finding the Fourth Proportional to 22,413.48, 30,930.35 and 12,341.71

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Solution

The fourth proportional to 22,413.48, 30,930.35 and 12,341.71 is: 17,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,413.48 : 30,930.35 = 12,341.71 : x
  2. Step 2: Convert to fraction form
    22,413.48/30,930.35 = 12,341.71/x
  3. Step 3: Cross multiply
    22,413.48x = 30,930.35 × 12,341.71
  4. Step 4: Simplify right side
    22,413.48x = 381,733,348.19
  5. Step 5: Solve for x
    x = 381,733,348.19/22,413.48
  6. Step 6: Final answer
    x = 17,031.42

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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.