Home / 18,181.39-25,090.07-10,223.63

Finding the Fourth Proportional to 18,181.39, 25,090.07 and 10,223.63

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Solution

The fourth proportional to 18,181.39, 25,090.07 and 10,223.63 is: 14,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.39 : 25,090.07 = 10,223.63 : x
  2. Step 2: Convert to fraction form
    18,181.39/25,090.07 = 10,223.63/x
  3. Step 3: Cross multiply
    18,181.39x = 25,090.07 × 10,223.63
  4. Step 4: Simplify right side
    18,181.39x = 256,511,592.35
  5. Step 5: Solve for x
    x = 256,511,592.35/18,181.39
  6. Step 6: Final answer
    x = 14,108.47

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Half scale
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Double scale
Find fourth proportional to 18,182.39, 25,091.45 and 10,224.63
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.