Home / 18,673.42-25,768.11-10,289.92

Finding the Fourth Proportional to 18,673.42, 25,768.11 and 10,289.92

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Solution

The fourth proportional to 18,673.42, 25,768.11 and 10,289.92 is: 14,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.42 : 25,768.11 = 10,289.92 : x
  2. Step 2: Convert to fraction form
    18,673.42/25,768.11 = 10,289.92/x
  3. Step 3: Cross multiply
    18,673.42x = 25,768.11 × 10,289.92
  4. Step 4: Simplify right side
    18,673.42x = 265,151,790.45
  5. Step 5: Solve for x
    x = 265,151,790.45/18,673.42
  6. Step 6: Final answer
    x = 14,199.42

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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.