Home / 13,623.88-20,424.66-4,853.80

Finding the Fourth Proportional to 13,623.88, 20,424.66 and 4,853.80

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Solution

The fourth proportional to 13,623.88, 20,424.66 and 4,853.80 is: 7,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.88 : 20,424.66 = 4,853.80 : x
  2. Step 2: Convert to fraction form
    13,623.88/20,424.66 = 4,853.80/x
  3. Step 3: Cross multiply
    13,623.88x = 20,424.66 × 4,853.80
  4. Step 4: Simplify right side
    13,623.88x = 99,137,214.71
  5. Step 5: Solve for x
    x = 99,137,214.71/13,623.88
  6. Step 6: Final answer
    x = 7,276.72

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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.