Home / 13,475.66-20,195.04-6,888.02

Finding the Fourth Proportional to 13,475.66, 20,195.04 and 6,888.02

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Solution

The fourth proportional to 13,475.66, 20,195.04 and 6,888.02 is: 10,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.66 : 20,195.04 = 6,888.02 : x
  2. Step 2: Convert to fraction form
    13,475.66/20,195.04 = 6,888.02/x
  3. Step 3: Cross multiply
    13,475.66x = 20,195.04 × 6,888.02
  4. Step 4: Simplify right side
    13,475.66x = 139,103,738.45
  5. Step 5: Solve for x
    x = 139,103,738.45/13,475.66
  6. Step 6: Final answer
    x = 10,322.60

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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.