Home / 25,355.43-38,036.79-7,826.76

Finding the Fourth Proportional to 25,355.43, 38,036.79 and 7,826.76

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Solution

The fourth proportional to 25,355.43, 38,036.79 and 7,826.76 is: 11,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.43 : 38,036.79 = 7,826.76 : x
  2. Step 2: Convert to fraction form
    25,355.43/38,036.79 = 7,826.76/x
  3. Step 3: Cross multiply
    25,355.43x = 38,036.79 × 7,826.76
  4. Step 4: Simplify right side
    25,355.43x = 297,704,826.50
  5. Step 5: Solve for x
    x = 297,704,826.50/25,355.43
  6. Step 6: Final answer
    x = 11,741.27

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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.