Home / 14,008.36-19,329.78-8,039.20

Finding the Fourth Proportional to 14,008.36, 19,329.78 and 8,039.20

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Solution

The fourth proportional to 14,008.36, 19,329.78 and 8,039.20 is: 11,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.36 : 19,329.78 = 8,039.20 : x
  2. Step 2: Convert to fraction form
    14,008.36/19,329.78 = 8,039.20/x
  3. Step 3: Cross multiply
    14,008.36x = 19,329.78 × 8,039.20
  4. Step 4: Simplify right side
    14,008.36x = 155,395,967.38
  5. Step 5: Solve for x
    x = 155,395,967.38/14,008.36
  6. Step 6: Final answer
    x = 11,093.09

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.