Home / 14,053.50-21,080.45-3,665.25

Finding the Fourth Proportional to 14,053.50, 21,080.45 and 3,665.25

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Solution

The fourth proportional to 14,053.50, 21,080.45 and 3,665.25 is: 5,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.50 : 21,080.45 = 3,665.25 : x
  2. Step 2: Convert to fraction form
    14,053.50/21,080.45 = 3,665.25/x
  3. Step 3: Cross multiply
    14,053.50x = 21,080.45 × 3,665.25
  4. Step 4: Simplify right side
    14,053.50x = 77,265,128.53
  5. Step 5: Solve for x
    x = 77,265,128.53/14,053.50
  6. Step 6: Final answer
    x = 5,497.93

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Double scale
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Similar ratio
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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.