Home / 13,596.19-18,768.63-12,745.06

Finding the Fourth Proportional to 13,596.19, 18,768.63 and 12,745.06

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Solution

The fourth proportional to 13,596.19, 18,768.63 and 12,745.06 is: 17,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.19 : 18,768.63 = 12,745.06 : x
  2. Step 2: Convert to fraction form
    13,596.19/18,768.63 = 12,745.06/x
  3. Step 3: Cross multiply
    13,596.19x = 18,768.63 × 12,745.06
  4. Step 4: Simplify right side
    13,596.19x = 239,207,315.47
  5. Step 5: Solve for x
    x = 239,207,315.47/13,596.19
  6. Step 6: Final answer
    x = 17,593.70

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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.