Home / 18,291.36-25,242.60-10,334.79

Finding the Fourth Proportional to 18,291.36, 25,242.60 and 10,334.79

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Solution

The fourth proportional to 18,291.36, 25,242.60 and 10,334.79 is: 14,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.36 : 25,242.60 = 10,334.79 : x
  2. Step 2: Convert to fraction form
    18,291.36/25,242.60 = 10,334.79/x
  3. Step 3: Cross multiply
    18,291.36x = 25,242.60 × 10,334.79
  4. Step 4: Simplify right side
    18,291.36x = 260,876,970.05
  5. Step 5: Solve for x
    x = 260,876,970.05/18,291.36
  6. Step 6: Final answer
    x = 14,262.31

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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.