Home / 19,558.87-29,338.31-4,767.67

Finding the Fourth Proportional to 19,558.87, 29,338.31 and 4,767.67

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Solution

The fourth proportional to 19,558.87, 29,338.31 and 4,767.67 is: 7,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.87 : 29,338.31 = 4,767.67 : x
  2. Step 2: Convert to fraction form
    19,558.87/29,338.31 = 4,767.67/x
  3. Step 3: Cross multiply
    19,558.87x = 29,338.31 × 4,767.67
  4. Step 4: Simplify right side
    19,558.87x = 139,875,380.44
  5. Step 5: Solve for x
    x = 139,875,380.44/19,558.87
  6. Step 6: Final answer
    x = 7,151.51

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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.