Home / 12,850.18-17,726.88-10,012.48

Finding the Fourth Proportional to 12,850.18, 17,726.88 and 10,012.48

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Solution

The fourth proportional to 12,850.18, 17,726.88 and 10,012.48 is: 13,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.18 : 17,726.88 = 10,012.48 : x
  2. Step 2: Convert to fraction form
    12,850.18/17,726.88 = 10,012.48/x
  3. Step 3: Cross multiply
    12,850.18x = 17,726.88 × 10,012.48
  4. Step 4: Simplify right side
    12,850.18x = 177,490,031.46
  5. Step 5: Solve for x
    x = 177,490,031.46/12,850.18
  6. Step 6: Final answer
    x = 13,812.26

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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.