Home / 12,726.47-17,558.96-10,029.33

Finding the Fourth Proportional to 12,726.47, 17,558.96 and 10,029.33

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Solution

The fourth proportional to 12,726.47, 17,558.96 and 10,029.33 is: 13,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.47 : 17,558.96 = 10,029.33 : x
  2. Step 2: Convert to fraction form
    12,726.47/17,558.96 = 10,029.33/x
  3. Step 3: Cross multiply
    12,726.47x = 17,558.96 × 10,029.33
  4. Step 4: Simplify right side
    12,726.47x = 176,104,604.30
  5. Step 5: Solve for x
    x = 176,104,604.30/12,726.47
  6. Step 6: Final answer
    x = 13,837.66

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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.