Home / 18,353.28-25,325.70-10,393.92

Finding the Fourth Proportional to 18,353.28, 25,325.70 and 10,393.92

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Solution

The fourth proportional to 18,353.28, 25,325.70 and 10,393.92 is: 14,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.28 : 25,325.70 = 10,393.92 : x
  2. Step 2: Convert to fraction form
    18,353.28/25,325.70 = 10,393.92/x
  3. Step 3: Cross multiply
    18,353.28x = 25,325.70 × 10,393.92
  4. Step 4: Simplify right side
    18,353.28x = 263,233,299.74
  5. Step 5: Solve for x
    x = 263,233,299.74/18,353.28
  6. Step 6: Final answer
    x = 14,342.58

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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.