Home / 22,165.76-30,579.36-14,205.44

Finding the Fourth Proportional to 22,165.76, 30,579.36 and 14,205.44

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Solution

The fourth proportional to 22,165.76, 30,579.36 and 14,205.44 is: 19,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.76 : 30,579.36 = 14,205.44 : x
  2. Step 2: Convert to fraction form
    22,165.76/30,579.36 = 14,205.44/x
  3. Step 3: Cross multiply
    22,165.76x = 30,579.36 × 14,205.44
  4. Step 4: Simplify right side
    22,165.76x = 434,393,263.72
  5. Step 5: Solve for x
    x = 434,393,263.72/22,165.76
  6. Step 6: Final answer
    x = 19,597.49

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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.