Home / 25,890.60-35,702.46-18,334.92

Finding the Fourth Proportional to 25,890.60, 35,702.46 and 18,334.92

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Solution

The fourth proportional to 25,890.60, 35,702.46 and 18,334.92 is: 25,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.60 : 35,702.46 = 18,334.92 : x
  2. Step 2: Convert to fraction form
    25,890.60/35,702.46 = 18,334.92/x
  3. Step 3: Cross multiply
    25,890.60x = 35,702.46 × 18,334.92
  4. Step 4: Simplify right side
    25,890.60x = 654,601,747.90
  5. Step 5: Solve for x
    x = 654,601,747.90/25,890.60
  6. Step 6: Final answer
    x = 25,283.37

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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.