Home / 14,184.12-21,273.36-13,481.58

Finding the Fourth Proportional to 14,184.12, 21,273.36 and 13,481.58

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Solution

The fourth proportional to 14,184.12, 21,273.36 and 13,481.58 is: 20,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.12 : 21,273.36 = 13,481.58 : x
  2. Step 2: Convert to fraction form
    14,184.12/21,273.36 = 13,481.58/x
  3. Step 3: Cross multiply
    14,184.12x = 21,273.36 × 13,481.58
  4. Step 4: Simplify right side
    14,184.12x = 286,798,504.71
  5. Step 5: Solve for x
    x = 286,798,504.71/14,184.12
  6. Step 6: Final answer
    x = 20,219.69

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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.