Home / 14,943.64-20,636.22-9,364.36

Finding the Fourth Proportional to 14,943.64, 20,636.22 and 9,364.36

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Solution

The fourth proportional to 14,943.64, 20,636.22 and 9,364.36 is: 12,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.64 : 20,636.22 = 9,364.36 : x
  2. Step 2: Convert to fraction form
    14,943.64/20,636.22 = 9,364.36/x
  3. Step 3: Cross multiply
    14,943.64x = 20,636.22 × 9,364.36
  4. Step 4: Simplify right side
    14,943.64x = 193,244,993.12
  5. Step 5: Solve for x
    x = 193,244,993.12/14,943.64
  6. Step 6: Final answer
    x = 12,931.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.