Home / 13,066.45-18,037.22-8,823.26

Finding the Fourth Proportional to 13,066.45, 18,037.22 and 8,823.26

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Solution

The fourth proportional to 13,066.45, 18,037.22 and 8,823.26 is: 12,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.45 : 18,037.22 = 8,823.26 : x
  2. Step 2: Convert to fraction form
    13,066.45/18,037.22 = 8,823.26/x
  3. Step 3: Cross multiply
    13,066.45x = 18,037.22 × 8,823.26
  4. Step 4: Simplify right side
    13,066.45x = 159,147,081.25
  5. Step 5: Solve for x
    x = 159,147,081.25/13,066.45
  6. Step 6: Final answer
    x = 12,179.82

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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.