Home / 18,813.48-25,957.43-11,639.95

Finding the Fourth Proportional to 18,813.48, 25,957.43 and 11,639.95

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Solution

The fourth proportional to 18,813.48, 25,957.43 and 11,639.95 is: 16,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.48 : 25,957.43 = 11,639.95 : x
  2. Step 2: Convert to fraction form
    18,813.48/25,957.43 = 11,639.95/x
  3. Step 3: Cross multiply
    18,813.48x = 25,957.43 × 11,639.95
  4. Step 4: Simplify right side
    18,813.48x = 302,143,057.54
  5. Step 5: Solve for x
    x = 302,143,057.54/18,813.48
  6. Step 6: Final answer
    x = 16,059.93

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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.