Home / 13,463.80-18,582.64-8,161.52

Finding the Fourth Proportional to 13,463.80, 18,582.64 and 8,161.52

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Solution

The fourth proportional to 13,463.80, 18,582.64 and 8,161.52 is: 11,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.80 : 18,582.64 = 8,161.52 : x
  2. Step 2: Convert to fraction form
    13,463.80/18,582.64 = 8,161.52/x
  3. Step 3: Cross multiply
    13,463.80x = 18,582.64 × 8,161.52
  4. Step 4: Simplify right side
    13,463.80x = 151,662,588.01
  5. Step 5: Solve for x
    x = 151,662,588.01/13,463.80
  6. Step 6: Final answer
    x = 11,264.47

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Why These Related Problems?

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