Home / 12,467.40-17,226.94-9,970.14

Finding the Fourth Proportional to 12,467.40, 17,226.94 and 9,970.14

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Solution

The fourth proportional to 12,467.40, 17,226.94 and 9,970.14 is: 13,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.40 : 17,226.94 = 9,970.14 : x
  2. Step 2: Convert to fraction form
    12,467.40/17,226.94 = 9,970.14/x
  3. Step 3: Cross multiply
    12,467.40x = 17,226.94 × 9,970.14
  4. Step 4: Simplify right side
    12,467.40x = 171,755,003.57
  5. Step 5: Solve for x
    x = 171,755,003.57/12,467.40
  6. Step 6: Final answer
    x = 13,776.33

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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.