Home / 25,219.83-34,826.99-15,804.80

Finding the Fourth Proportional to 25,219.83, 34,826.99 and 15,804.80

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Solution

The fourth proportional to 25,219.83, 34,826.99 and 15,804.80 is: 21,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.83 : 34,826.99 = 15,804.80 : x
  2. Step 2: Convert to fraction form
    25,219.83/34,826.99 = 15,804.80/x
  3. Step 3: Cross multiply
    25,219.83x = 34,826.99 × 15,804.80
  4. Step 4: Simplify right side
    25,219.83x = 550,433,611.55
  5. Step 5: Solve for x
    x = 550,433,611.55/25,219.83
  6. Step 6: Final answer
    x = 21,825.43

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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.