Home / 18,351.72-25,325.55-10,393.74

Finding the Fourth Proportional to 18,351.72, 25,325.55 and 10,393.74

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Solution

The fourth proportional to 18,351.72, 25,325.55 and 10,393.74 is: 14,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.72 : 25,325.55 = 10,393.74 : x
  2. Step 2: Convert to fraction form
    18,351.72/25,325.55 = 10,393.74/x
  3. Step 3: Cross multiply
    18,351.72x = 25,325.55 × 10,393.74
  4. Step 4: Simplify right side
    18,351.72x = 263,227,182.06
  5. Step 5: Solve for x
    x = 263,227,182.06/18,351.72
  6. Step 6: Final answer
    x = 14,343.46

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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.