Home / 14,040.80-21,048.96-5,273.36

Finding the Fourth Proportional to 14,040.80, 21,048.96 and 5,273.36

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Solution

The fourth proportional to 14,040.80, 21,048.96 and 5,273.36 is: 7,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.80 : 21,048.96 = 5,273.36 : x
  2. Step 2: Convert to fraction form
    14,040.80/21,048.96 = 5,273.36/x
  3. Step 3: Cross multiply
    14,040.80x = 21,048.96 × 5,273.36
  4. Step 4: Simplify right side
    14,040.80x = 110,998,743.71
  5. Step 5: Solve for x
    x = 110,998,743.71/14,040.80
  6. Step 6: Final answer
    x = 7,905.44

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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.