Home / 14,405.34-21,593.20-5,518.58

Finding the Fourth Proportional to 14,405.34, 21,593.20 and 5,518.58

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Solution

The fourth proportional to 14,405.34, 21,593.20 and 5,518.58 is: 8,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.34 : 21,593.20 = 5,518.58 : x
  2. Step 2: Convert to fraction form
    14,405.34/21,593.20 = 5,518.58/x
  3. Step 3: Cross multiply
    14,405.34x = 21,593.20 × 5,518.58
  4. Step 4: Simplify right side
    14,405.34x = 119,163,801.66
  5. Step 5: Solve for x
    x = 119,163,801.66/14,405.34
  6. Step 6: Final answer
    x = 8,272.20

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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.