Home / 25,972.74-38,958.84-8,443.26

Finding the Fourth Proportional to 25,972.74, 38,958.84 and 8,443.26

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Solution

The fourth proportional to 25,972.74, 38,958.84 and 8,443.26 is: 12,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.74 : 38,958.84 = 8,443.26 : x
  2. Step 2: Convert to fraction form
    25,972.74/38,958.84 = 8,443.26/x
  3. Step 3: Cross multiply
    25,972.74x = 38,958.84 × 8,443.26
  4. Step 4: Simplify right side
    25,972.74x = 328,939,615.42
  5. Step 5: Solve for x
    x = 328,939,615.42/25,972.74
  6. Step 6: Final answer
    x = 12,664.80

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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.