Home / 13,623.99-20,443.83-5,725.83

Finding the Fourth Proportional to 13,623.99, 20,443.83 and 5,725.83

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Solution

The fourth proportional to 13,623.99, 20,443.83 and 5,725.83 is: 8,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.99 : 20,443.83 = 5,725.83 : x
  2. Step 2: Convert to fraction form
    13,623.99/20,443.83 = 5,725.83/x
  3. Step 3: Cross multiply
    13,623.99x = 20,443.83 × 5,725.83
  4. Step 4: Simplify right side
    13,623.99x = 117,057,895.13
  5. Step 5: Solve for x
    x = 117,057,895.13/13,623.99
  6. Step 6: Final answer
    x = 8,592.04

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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.