Home / 14,612.76-21,919.14-13,563

Finding the Fourth Proportional to 14,612.76, 21,919.14 and 13,563

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Solution

The fourth proportional to 14,612.76, 21,919.14 and 13,563 is: 20,344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.76 : 21,919.14 = 13,563 : x
  2. Step 2: Convert to fraction form
    14,612.76/21,919.14 = 13,563/x
  3. Step 3: Cross multiply
    14,612.76x = 21,919.14 × 13,563
  4. Step 4: Simplify right side
    14,612.76x = 297,289,295.82
  5. Step 5: Solve for x
    x = 297,289,295.82/14,612.76
  6. Step 6: Final answer
    x = 20,344.50

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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.