Home / 25,260.64-37,869.36-9,689.44

Finding the Fourth Proportional to 25,260.64, 37,869.36 and 9,689.44

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Solution

The fourth proportional to 25,260.64, 37,869.36 and 9,689.44 is: 14,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,260.64 : 37,869.36 = 9,689.44 : x
  2. Step 2: Convert to fraction form
    25,260.64/37,869.36 = 9,689.44/x
  3. Step 3: Cross multiply
    25,260.64x = 37,869.36 × 9,689.44
  4. Step 4: Simplify right side
    25,260.64x = 366,932,891.56
  5. Step 5: Solve for x
    x = 366,932,891.56/25,260.64
  6. Step 6: Final answer
    x = 14,525.87

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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.