Home / 13,240.12-19,864.34-5,452.60

Finding the Fourth Proportional to 13,240.12, 19,864.34 and 5,452.60

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Solution

The fourth proportional to 13,240.12, 19,864.34 and 5,452.60 is: 8,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.12 : 19,864.34 = 5,452.60 : x
  2. Step 2: Convert to fraction form
    13,240.12/19,864.34 = 5,452.60/x
  3. Step 3: Cross multiply
    13,240.12x = 19,864.34 × 5,452.60
  4. Step 4: Simplify right side
    13,240.12x = 108,312,300.28
  5. Step 5: Solve for x
    x = 108,312,300.28/13,240.12
  6. Step 6: Final answer
    x = 8,180.61

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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.