Home / 14,983.20-22,431.60-13,255.20

Finding the Fourth Proportional to 14,983.20, 22,431.60 and 13,255.20

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Solution

The fourth proportional to 14,983.20, 22,431.60 and 13,255.20 is: 19,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.20 : 22,431.60 = 13,255.20 : x
  2. Step 2: Convert to fraction form
    14,983.20/22,431.60 = 13,255.20/x
  3. Step 3: Cross multiply
    14,983.20x = 22,431.60 × 13,255.20
  4. Step 4: Simplify right side
    14,983.20x = 297,335,344.32
  5. Step 5: Solve for x
    x = 297,335,344.32/14,983.20
  6. Step 6: Final answer
    x = 19,844.58

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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.