Home / 14,247.20-21,357.73-5,475.51

Finding the Fourth Proportional to 14,247.20, 21,357.73 and 5,475.51

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Solution

The fourth proportional to 14,247.20, 21,357.73 and 5,475.51 is: 8,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.20 : 21,357.73 = 5,475.51 : x
  2. Step 2: Convert to fraction form
    14,247.20/21,357.73 = 5,475.51/x
  3. Step 3: Cross multiply
    14,247.20x = 21,357.73 × 5,475.51
  4. Step 4: Simplify right side
    14,247.20x = 116,944,424.49
  5. Step 5: Solve for x
    x = 116,944,424.49/14,247.20
  6. Step 6: Final answer
    x = 8,208.24

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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.