Home / 13,726.06-18,941.88-7,676.29

Finding the Fourth Proportional to 13,726.06, 18,941.88 and 7,676.29

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Solution

The fourth proportional to 13,726.06, 18,941.88 and 7,676.29 is: 10,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.06 : 18,941.88 = 7,676.29 : x
  2. Step 2: Convert to fraction form
    13,726.06/18,941.88 = 7,676.29/x
  3. Step 3: Cross multiply
    13,726.06x = 18,941.88 × 7,676.29
  4. Step 4: Simplify right side
    13,726.06x = 145,403,364.03
  5. Step 5: Solve for x
    x = 145,403,364.03/13,726.06
  6. Step 6: Final answer
    x = 10,593.23

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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.