Home / 14,855.12-20,499.12-8,567.04

Finding the Fourth Proportional to 14,855.12, 20,499.12 and 8,567.04

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Solution

The fourth proportional to 14,855.12, 20,499.12 and 8,567.04 is: 11,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.12 : 20,499.12 = 8,567.04 : x
  2. Step 2: Convert to fraction form
    14,855.12/20,499.12 = 8,567.04/x
  3. Step 3: Cross multiply
    14,855.12x = 20,499.12 × 8,567.04
  4. Step 4: Simplify right side
    14,855.12x = 175,616,781.00
  5. Step 5: Solve for x
    x = 175,616,781.00/14,855.12
  6. Step 6: Final answer
    x = 11,821.97

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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.