Home / 14,295.72-21,449.70-7,375.08

Finding the Fourth Proportional to 14,295.72, 21,449.70 and 7,375.08

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Solution

The fourth proportional to 14,295.72, 21,449.70 and 7,375.08 is: 11,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.72 : 21,449.70 = 7,375.08 : x
  2. Step 2: Convert to fraction form
    14,295.72/21,449.70 = 7,375.08/x
  3. Step 3: Cross multiply
    14,295.72x = 21,449.70 × 7,375.08
  4. Step 4: Simplify right side
    14,295.72x = 158,193,253.48
  5. Step 5: Solve for x
    x = 158,193,253.48/14,295.72
  6. Step 6: Final answer
    x = 11,065.78

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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.