Home / 13,466.31-20,200.85-5,153.32

Finding the Fourth Proportional to 13,466.31, 20,200.85 and 5,153.32

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Solution

The fourth proportional to 13,466.31, 20,200.85 and 5,153.32 is: 7,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.31 : 20,200.85 = 5,153.32 : x
  2. Step 2: Convert to fraction form
    13,466.31/20,200.85 = 5,153.32/x
  3. Step 3: Cross multiply
    13,466.31x = 20,200.85 × 5,153.32
  4. Step 4: Simplify right side
    13,466.31x = 104,101,317.55
  5. Step 5: Solve for x
    x = 104,101,317.55/13,466.31
  6. Step 6: Final answer
    x = 7,730.50

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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.