Home / 13,648.62-20,466.02-5,322.22

Finding the Fourth Proportional to 13,648.62, 20,466.02 and 5,322.22

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Solution

The fourth proportional to 13,648.62, 20,466.02 and 5,322.22 is: 7,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.62 : 20,466.02 = 5,322.22 : x
  2. Step 2: Convert to fraction form
    13,648.62/20,466.02 = 5,322.22/x
  3. Step 3: Cross multiply
    13,648.62x = 20,466.02 × 5,322.22
  4. Step 4: Simplify right side
    13,648.62x = 108,924,660.96
  5. Step 5: Solve for x
    x = 108,924,660.96/13,648.62
  6. Step 6: Final answer
    x = 7,980.64

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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.