Home / 13,707.78-20,532.87-13,552.26

Finding the Fourth Proportional to 13,707.78, 20,532.87 and 13,552.26

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Solution

The fourth proportional to 13,707.78, 20,532.87 and 13,552.26 is: 20,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.78 : 20,532.87 = 13,552.26 : x
  2. Step 2: Convert to fraction form
    13,707.78/20,532.87 = 13,552.26/x
  3. Step 3: Cross multiply
    13,707.78x = 20,532.87 × 13,552.26
  4. Step 4: Simplify right side
    13,707.78x = 278,266,792.79
  5. Step 5: Solve for x
    x = 278,266,792.79/13,707.78
  6. Step 6: Final answer
    x = 20,299.92

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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.