Home / 13,823.76-20,735.56-5,501.55

Finding the Fourth Proportional to 13,823.76, 20,735.56 and 5,501.55

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Solution

The fourth proportional to 13,823.76, 20,735.56 and 5,501.55 is: 8,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.76 : 20,735.56 = 5,501.55 : x
  2. Step 2: Convert to fraction form
    13,823.76/20,735.56 = 5,501.55/x
  3. Step 3: Cross multiply
    13,823.76x = 20,735.56 × 5,501.55
  4. Step 4: Simplify right side
    13,823.76x = 114,077,720.12
  5. Step 5: Solve for x
    x = 114,077,720.12/13,823.76
  6. Step 6: Final answer
    x = 8,252.29

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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.