Home / 13,368.64-20,052.56-6,353.70

Finding the Fourth Proportional to 13,368.64, 20,052.56 and 6,353.70

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Solution

The fourth proportional to 13,368.64, 20,052.56 and 6,353.70 is: 9,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.64 : 20,052.56 = 6,353.70 : x
  2. Step 2: Convert to fraction form
    13,368.64/20,052.56 = 6,353.70/x
  3. Step 3: Cross multiply
    13,368.64x = 20,052.56 × 6,353.70
  4. Step 4: Simplify right side
    13,368.64x = 127,407,950.47
  5. Step 5: Solve for x
    x = 127,407,950.47/13,368.64
  6. Step 6: Final answer
    x = 9,530.36

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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.