Home / 14,567.69-20,103.86-8,604.47

Finding the Fourth Proportional to 14,567.69, 20,103.86 and 8,604.47

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Solution

The fourth proportional to 14,567.69, 20,103.86 and 8,604.47 is: 11,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.69 : 20,103.86 = 8,604.47 : x
  2. Step 2: Convert to fraction form
    14,567.69/20,103.86 = 8,604.47/x
  3. Step 3: Cross multiply
    14,567.69x = 20,103.86 × 8,604.47
  4. Step 4: Simplify right side
    14,567.69x = 172,983,060.25
  5. Step 5: Solve for x
    x = 172,983,060.25/14,567.69
  6. Step 6: Final answer
    x = 11,874.43

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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.