Home / 14,541.90-21,807.47-5,179.43

Finding the Fourth Proportional to 14,541.90, 21,807.47 and 5,179.43

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Solution

The fourth proportional to 14,541.90, 21,807.47 and 5,179.43 is: 7,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541.90 : 21,807.47 = 5,179.43 : x
  2. Step 2: Convert to fraction form
    14,541.90/21,807.47 = 5,179.43/x
  3. Step 3: Cross multiply
    14,541.90x = 21,807.47 × 5,179.43
  4. Step 4: Simplify right side
    14,541.90x = 112,950,264.72
  5. Step 5: Solve for x
    x = 112,950,264.72/14,541.90
  6. Step 6: Final answer
    x = 7,767.23

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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.