Home / 14,250.80-21,376.20-5,016.80

Finding the Fourth Proportional to 14,250.80, 21,376.20 and 5,016.80

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Solution

The fourth proportional to 14,250.80, 21,376.20 and 5,016.80 is: 7,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.80 : 21,376.20 = 5,016.80 : x
  2. Step 2: Convert to fraction form
    14,250.80/21,376.20 = 5,016.80/x
  3. Step 3: Cross multiply
    14,250.80x = 21,376.20 × 5,016.80
  4. Step 4: Simplify right side
    14,250.80x = 107,240,120.16
  5. Step 5: Solve for x
    x = 107,240,120.16/14,250.80
  6. Step 6: Final answer
    x = 7,525.20

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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.