Home / 25,304.31-37,955.94-8,438.54

Finding the Fourth Proportional to 25,304.31, 37,955.94 and 8,438.54

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Solution

The fourth proportional to 25,304.31, 37,955.94 and 8,438.54 is: 12,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,304.31 : 37,955.94 = 8,438.54 : x
  2. Step 2: Convert to fraction form
    25,304.31/37,955.94 = 8,438.54/x
  3. Step 3: Cross multiply
    25,304.31x = 37,955.94 × 8,438.54
  4. Step 4: Simplify right side
    25,304.31x = 320,292,528.15
  5. Step 5: Solve for x
    x = 320,292,528.15/25,304.31
  6. Step 6: Final answer
    x = 12,657.63

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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.