Home / 14,943.81-20,622.27-8,656.77

Finding the Fourth Proportional to 14,943.81, 20,622.27 and 8,656.77

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Solution

The fourth proportional to 14,943.81, 20,622.27 and 8,656.77 is: 11,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.81 : 20,622.27 = 8,656.77 : x
  2. Step 2: Convert to fraction form
    14,943.81/20,622.27 = 8,656.77/x
  3. Step 3: Cross multiply
    14,943.81x = 20,622.27 × 8,656.77
  4. Step 4: Simplify right side
    14,943.81x = 178,522,248.27
  5. Step 5: Solve for x
    x = 178,522,248.27/14,943.81
  6. Step 6: Final answer
    x = 11,946.23

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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.