Home / 25,958.81-38,941.47-10,161.80

Finding the Fourth Proportional to 25,958.81, 38,941.47 and 10,161.80

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Solution

The fourth proportional to 25,958.81, 38,941.47 and 10,161.80 is: 15,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,958.81 : 38,941.47 = 10,161.80 : x
  2. Step 2: Convert to fraction form
    25,958.81/38,941.47 = 10,161.80/x
  3. Step 3: Cross multiply
    25,958.81x = 38,941.47 × 10,161.80
  4. Step 4: Simplify right side
    25,958.81x = 395,715,527.20
  5. Step 5: Solve for x
    x = 395,715,527.20/25,958.81
  6. Step 6: Final answer
    x = 15,243.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.