Home / 18,673.24-25,769.34-10,289.56

Finding the Fourth Proportional to 18,673.24, 25,769.34 and 10,289.56

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Solution

The fourth proportional to 18,673.24, 25,769.34 and 10,289.56 is: 14,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.24 : 25,769.34 = 10,289.56 : x
  2. Step 2: Convert to fraction form
    18,673.24/25,769.34 = 10,289.56/x
  3. Step 3: Cross multiply
    18,673.24x = 25,769.34 × 10,289.56
  4. Step 4: Simplify right side
    18,673.24x = 265,155,170.09
  5. Step 5: Solve for x
    x = 265,155,170.09/18,673.24
  6. Step 6: Final answer
    x = 14,199.74

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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.