Home / 51,025.48-76,538.05-13,585.56

Finding the Fourth Proportional to 51,025.48, 76,538.05 and 13,585.56

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Solution

The fourth proportional to 51,025.48, 76,538.05 and 13,585.56 is: 20,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,025.48 : 76,538.05 = 13,585.56 : x
  2. Step 2: Convert to fraction form
    51,025.48/76,538.05 = 13,585.56/x
  3. Step 3: Cross multiply
    51,025.48x = 76,538.05 × 13,585.56
  4. Step 4: Simplify right side
    51,025.48x = 1,039,811,949.58
  5. Step 5: Solve for x
    x = 1,039,811,949.58/51,025.48
  6. Step 6: Final answer
    x = 20,378.29

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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.