Home / 18,301.48-25,254.66-10,343.72

Finding the Fourth Proportional to 18,301.48, 25,254.66 and 10,343.72

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Solution

The fourth proportional to 18,301.48, 25,254.66 and 10,343.72 is: 14,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.48 : 25,254.66 = 10,343.72 : x
  2. Step 2: Convert to fraction form
    18,301.48/25,254.66 = 10,343.72/x
  3. Step 3: Cross multiply
    18,301.48x = 25,254.66 × 10,343.72
  4. Step 4: Simplify right side
    18,301.48x = 261,227,131.74
  5. Step 5: Solve for x
    x = 261,227,131.74/18,301.48
  6. Step 6: Final answer
    x = 14,273.55

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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.