Home / 14,775.12-22,107.60-8,855.28

Finding the Fourth Proportional to 14,775.12, 22,107.60 and 8,855.28

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Solution

The fourth proportional to 14,775.12, 22,107.60 and 8,855.28 is: 13,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.12 : 22,107.60 = 8,855.28 : x
  2. Step 2: Convert to fraction form
    14,775.12/22,107.60 = 8,855.28/x
  3. Step 3: Cross multiply
    14,775.12x = 22,107.60 × 8,855.28
  4. Step 4: Simplify right side
    14,775.12x = 195,768,988.13
  5. Step 5: Solve for x
    x = 195,768,988.13/14,775.12
  6. Step 6: Final answer
    x = 13,249.91

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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.