Home / 17,520.56-24,178.74-10,809.44

Finding the Fourth Proportional to 17,520.56, 24,178.74 and 10,809.44

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Solution

The fourth proportional to 17,520.56, 24,178.74 and 10,809.44 is: 14,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.56 : 24,178.74 = 10,809.44 : x
  2. Step 2: Convert to fraction form
    17,520.56/24,178.74 = 10,809.44/x
  3. Step 3: Cross multiply
    17,520.56x = 24,178.74 × 10,809.44
  4. Step 4: Simplify right side
    17,520.56x = 261,358,639.31
  5. Step 5: Solve for x
    x = 261,358,639.31/17,520.56
  6. Step 6: Final answer
    x = 14,917.25

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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.