Home / 13,355.08-20,032.21-5,563.69

Finding the Fourth Proportional to 13,355.08, 20,032.21 and 5,563.69

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Solution

The fourth proportional to 13,355.08, 20,032.21 and 5,563.69 is: 8,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.08 : 20,032.21 = 5,563.69 : x
  2. Step 2: Convert to fraction form
    13,355.08/20,032.21 = 5,563.69/x
  3. Step 3: Cross multiply
    13,355.08x = 20,032.21 × 5,563.69
  4. Step 4: Simplify right side
    13,355.08x = 111,452,963.33
  5. Step 5: Solve for x
    x = 111,452,963.33/13,355.08
  6. Step 6: Final answer
    x = 8,345.36

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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.