Home / 14,786.13-20,408.28-9,751.26

Finding the Fourth Proportional to 14,786.13, 20,408.28 and 9,751.26

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Solution

The fourth proportional to 14,786.13, 20,408.28 and 9,751.26 is: 13,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.13 : 20,408.28 = 9,751.26 : x
  2. Step 2: Convert to fraction form
    14,786.13/20,408.28 = 9,751.26/x
  3. Step 3: Cross multiply
    14,786.13x = 20,408.28 × 9,751.26
  4. Step 4: Simplify right side
    14,786.13x = 199,006,444.43
  5. Step 5: Solve for x
    x = 199,006,444.43/14,786.13
  6. Step 6: Final answer
    x = 13,458.99

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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.