Home / 13,476.72-20,217.23-5,686.68

Finding the Fourth Proportional to 13,476.72, 20,217.23 and 5,686.68

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Solution

The fourth proportional to 13,476.72, 20,217.23 and 5,686.68 is: 8,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.72 : 20,217.23 = 5,686.68 : x
  2. Step 2: Convert to fraction form
    13,476.72/20,217.23 = 5,686.68/x
  3. Step 3: Cross multiply
    13,476.72x = 20,217.23 × 5,686.68
  4. Step 4: Simplify right side
    13,476.72x = 114,968,917.50
  5. Step 5: Solve for x
    x = 114,968,917.50/13,476.72
  6. Step 6: Final answer
    x = 8,530.93

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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.