Home / 18,370.79-25,351.98-10,412.84

Finding the Fourth Proportional to 18,370.79, 25,351.98 and 10,412.84

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Solution

The fourth proportional to 18,370.79, 25,351.98 and 10,412.84 is: 14,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.79 : 25,351.98 = 10,412.84 : x
  2. Step 2: Convert to fraction form
    18,370.79/25,351.98 = 10,412.84/x
  3. Step 3: Cross multiply
    18,370.79x = 25,351.98 × 10,412.84
  4. Step 4: Simplify right side
    18,370.79x = 263,986,174.80
  5. Step 5: Solve for x
    x = 263,986,174.80/18,370.79
  6. Step 6: Final answer
    x = 14,369.89

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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.