Home / 13,658.24-20,482.81-5,336.10

Finding the Fourth Proportional to 13,658.24, 20,482.81 and 5,336.10

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Solution

The fourth proportional to 13,658.24, 20,482.81 and 5,336.10 is: 8,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.24 : 20,482.81 = 5,336.10 : x
  2. Step 2: Convert to fraction form
    13,658.24/20,482.81 = 5,336.10/x
  3. Step 3: Cross multiply
    13,658.24x = 20,482.81 × 5,336.10
  4. Step 4: Simplify right side
    13,658.24x = 109,298,309.10
  5. Step 5: Solve for x
    x = 109,298,309.10/13,658.24
  6. Step 6: Final answer
    x = 8,002.37

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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.