Home / 25,818.75-35,629.88-14,640.75

Finding the Fourth Proportional to 25,818.75, 35,629.88 and 14,640.75

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Solution

The fourth proportional to 25,818.75, 35,629.88 and 14,640.75 is: 20,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,818.75 : 35,629.88 = 14,640.75 : x
  2. Step 2: Convert to fraction form
    25,818.75/35,629.88 = 14,640.75/x
  3. Step 3: Cross multiply
    25,818.75x = 35,629.88 × 14,640.75
  4. Step 4: Simplify right side
    25,818.75x = 521,648,092.41
  5. Step 5: Solve for x
    x = 521,648,092.41/25,818.75
  6. Step 6: Final answer
    x = 20,204.24

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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.