Home / 18,096.79-24,976.21-10,139.56

Finding the Fourth Proportional to 18,096.79, 24,976.21 and 10,139.56

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Solution

The fourth proportional to 18,096.79, 24,976.21 and 10,139.56 is: 13,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.79 : 24,976.21 = 10,139.56 : x
  2. Step 2: Convert to fraction form
    18,096.79/24,976.21 = 10,139.56/x
  3. Step 3: Cross multiply
    18,096.79x = 24,976.21 × 10,139.56
  4. Step 4: Simplify right side
    18,096.79x = 253,247,779.87
  5. Step 5: Solve for x
    x = 253,247,779.87/18,096.79
  6. Step 6: Final answer
    x = 13,994.07

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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.