Home / 15,467.24-21,337.86-10,429.82

Finding the Fourth Proportional to 15,467.24, 21,337.86 and 10,429.82

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Solution

The fourth proportional to 15,467.24, 21,337.86 and 10,429.82 is: 14,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.24 : 21,337.86 = 10,429.82 : x
  2. Step 2: Convert to fraction form
    15,467.24/21,337.86 = 10,429.82/x
  3. Step 3: Cross multiply
    15,467.24x = 21,337.86 × 10,429.82
  4. Step 4: Simplify right side
    15,467.24x = 222,550,038.99
  5. Step 5: Solve for x
    x = 222,550,038.99/15,467.24
  6. Step 6: Final answer
    x = 14,388.48

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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.