Home / 18,301.75-25,256.08-10,343.81

Finding the Fourth Proportional to 18,301.75, 25,256.08 and 10,343.81

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Solution

The fourth proportional to 18,301.75, 25,256.08 and 10,343.81 is: 14,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.75 : 25,256.08 = 10,343.81 : x
  2. Step 2: Convert to fraction form
    18,301.75/25,256.08 = 10,343.81/x
  3. Step 3: Cross multiply
    18,301.75x = 25,256.08 × 10,343.81
  4. Step 4: Simplify right side
    18,301.75x = 261,244,092.86
  5. Step 5: Solve for x
    x = 261,244,092.86/18,301.75
  6. Step 6: Final answer
    x = 14,274.27

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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.