Home / 18,186.51-25,093.62-10,631.38

Finding the Fourth Proportional to 18,186.51, 25,093.62 and 10,631.38

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Solution

The fourth proportional to 18,186.51, 25,093.62 and 10,631.38 is: 14,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.51 : 25,093.62 = 10,631.38 : x
  2. Step 2: Convert to fraction form
    18,186.51/25,093.62 = 10,631.38/x
  3. Step 3: Cross multiply
    18,186.51x = 25,093.62 × 10,631.38
  4. Step 4: Simplify right side
    18,186.51x = 266,779,809.80
  5. Step 5: Solve for x
    x = 266,779,809.80/18,186.51
  6. Step 6: Final answer
    x = 14,669.10

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Half scale
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Double 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.