Home / 13,748.22-20,612.07-6,726.06

Finding the Fourth Proportional to 13,748.22, 20,612.07 and 6,726.06

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Solution

The fourth proportional to 13,748.22, 20,612.07 and 6,726.06 is: 10,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.22 : 20,612.07 = 6,726.06 : x
  2. Step 2: Convert to fraction form
    13,748.22/20,612.07 = 6,726.06/x
  3. Step 3: Cross multiply
    13,748.22x = 20,612.07 × 6,726.06
  4. Step 4: Simplify right side
    13,748.22x = 138,638,019.54
  5. Step 5: Solve for x
    x = 138,638,019.54/13,748.22
  6. Step 6: Final answer
    x = 10,084.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.