Home / 18,684.06-25,784.01-10,300.56

Finding the Fourth Proportional to 18,684.06, 25,784.01 and 10,300.56

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Solution

The fourth proportional to 18,684.06, 25,784.01 and 10,300.56 is: 14,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.06 : 25,784.01 = 10,300.56 : x
  2. Step 2: Convert to fraction form
    18,684.06/25,784.01 = 10,300.56/x
  3. Step 3: Cross multiply
    18,684.06x = 25,784.01 × 10,300.56
  4. Step 4: Simplify right side
    18,684.06x = 265,589,742.05
  5. Step 5: Solve for x
    x = 265,589,742.05/18,684.06
  6. Step 6: Final answer
    x = 14,214.78

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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.