Home / 18,199.51-25,115.09-10,132.94

Finding the Fourth Proportional to 18,199.51, 25,115.09 and 10,132.94

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Solution

The fourth proportional to 18,199.51, 25,115.09 and 10,132.94 is: 13,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.51 : 25,115.09 = 10,132.94 : x
  2. Step 2: Convert to fraction form
    18,199.51/25,115.09 = 10,132.94/x
  3. Step 3: Cross multiply
    18,199.51x = 25,115.09 × 10,132.94
  4. Step 4: Simplify right side
    18,199.51x = 254,489,712.19
  5. Step 5: Solve for x
    x = 254,489,712.19/18,199.51
  6. Step 6: Final answer
    x = 13,983.33

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.