Home / 18,213.75-25,130.66-10,254.39

Finding the Fourth Proportional to 18,213.75, 25,130.66 and 10,254.39

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Solution

The fourth proportional to 18,213.75, 25,130.66 and 10,254.39 is: 14,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.75 : 25,130.66 = 10,254.39 : x
  2. Step 2: Convert to fraction form
    18,213.75/25,130.66 = 10,254.39/x
  3. Step 3: Cross multiply
    18,213.75x = 25,130.66 × 10,254.39
  4. Step 4: Simplify right side
    18,213.75x = 257,699,537.33
  5. Step 5: Solve for x
    x = 257,699,537.33/18,213.75
  6. Step 6: Final answer
    x = 14,148.63

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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.