Home / 13,659.24-20,482.38-4,423.08

Finding the Fourth Proportional to 13,659.24, 20,482.38 and 4,423.08

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Solution

The fourth proportional to 13,659.24, 20,482.38 and 4,423.08 is: 6,632.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.24 : 20,482.38 = 4,423.08 : x
  2. Step 2: Convert to fraction form
    13,659.24/20,482.38 = 4,423.08/x
  3. Step 3: Cross multiply
    13,659.24x = 20,482.38 × 4,423.08
  4. Step 4: Simplify right side
    13,659.24x = 90,595,205.33
  5. Step 5: Solve for x
    x = 90,595,205.33/13,659.24
  6. Step 6: Final answer
    x = 6,632.52

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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.