Home / 14,641.85-21,965.66-4,778.48

Finding the Fourth Proportional to 14,641.85, 21,965.66 and 4,778.48

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Solution

The fourth proportional to 14,641.85, 21,965.66 and 4,778.48 is: 7,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,641.85 : 21,965.66 = 4,778.48 : x
  2. Step 2: Convert to fraction form
    14,641.85/21,965.66 = 4,778.48/x
  3. Step 3: Cross multiply
    14,641.85x = 21,965.66 × 4,778.48
  4. Step 4: Simplify right side
    14,641.85x = 104,962,467.00
  5. Step 5: Solve for x
    x = 104,962,467.00/14,641.85
  6. Step 6: Final answer
    x = 7,168.66

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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.