Home / 22,176.18-30,603.85-12,615.83

Finding the Fourth Proportional to 22,176.18, 30,603.85 and 12,615.83

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Solution

The fourth proportional to 22,176.18, 30,603.85 and 12,615.83 is: 17,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.18 : 30,603.85 = 12,615.83 : x
  2. Step 2: Convert to fraction form
    22,176.18/30,603.85 = 12,615.83/x
  3. Step 3: Cross multiply
    22,176.18x = 30,603.85 × 12,615.83
  4. Step 4: Simplify right side
    22,176.18x = 386,092,968.95
  5. Step 5: Solve for x
    x = 386,092,968.95/22,176.18
  6. Step 6: Final answer
    x = 17,410.26

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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.