Home / 15,467.06-21,331.36-10,424.65

Finding the Fourth Proportional to 15,467.06, 21,331.36 and 10,424.65

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Solution

The fourth proportional to 15,467.06, 21,331.36 and 10,424.65 is: 14,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.06 : 21,331.36 = 10,424.65 : x
  2. Step 2: Convert to fraction form
    15,467.06/21,331.36 = 10,424.65/x
  3. Step 3: Cross multiply
    15,467.06x = 21,331.36 × 10,424.65
  4. Step 4: Simplify right side
    15,467.06x = 222,371,921.73
  5. Step 5: Solve for x
    x = 222,371,921.73/15,467.06
  6. Step 6: Final answer
    x = 14,377.13

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1.5x scale

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.