Home / 22,477.69-30,999.20-14,511.55

Finding the Fourth Proportional to 22,477.69, 30,999.20 and 14,511.55

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Solution

The fourth proportional to 22,477.69, 30,999.20 and 14,511.55 is: 20,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477.69 : 30,999.20 = 14,511.55 : x
  2. Step 2: Convert to fraction form
    22,477.69/30,999.20 = 14,511.55/x
  3. Step 3: Cross multiply
    22,477.69x = 30,999.20 × 14,511.55
  4. Step 4: Simplify right side
    22,477.69x = 449,846,440.76
  5. Step 5: Solve for x
    x = 449,846,440.76/22,477.69
  6. Step 6: Final answer
    x = 20,013.02

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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.