Home / 25,971.63-38,966.72-8,441.52

Finding the Fourth Proportional to 25,971.63, 38,966.72 and 8,441.52

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Solution

The fourth proportional to 25,971.63, 38,966.72 and 8,441.52 is: 12,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971.63 : 38,966.72 = 8,441.52 : x
  2. Step 2: Convert to fraction form
    25,971.63/38,966.72 = 8,441.52/x
  3. Step 3: Cross multiply
    25,971.63x = 38,966.72 × 8,441.52
  4. Step 4: Simplify right side
    25,971.63x = 328,938,304.01
  5. Step 5: Solve for x
    x = 328,938,304.01/25,971.63
  6. Step 6: Final answer
    x = 12,665.29

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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.