Home / 14,176.50-21,267.54-7,945.35

Finding the Fourth Proportional to 14,176.50, 21,267.54 and 7,945.35

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Solution

The fourth proportional to 14,176.50, 21,267.54 and 7,945.35 is: 11,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.50 : 21,267.54 = 7,945.35 : x
  2. Step 2: Convert to fraction form
    14,176.50/21,267.54 = 7,945.35/x
  3. Step 3: Cross multiply
    14,176.50x = 21,267.54 × 7,945.35
  4. Step 4: Simplify right side
    14,176.50x = 168,978,048.94
  5. Step 5: Solve for x
    x = 168,978,048.94/14,176.50
  6. Step 6: Final answer
    x = 11,919.59

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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.