Home / 18,813.22-25,957.08-11,639.69

Finding the Fourth Proportional to 18,813.22, 25,957.08 and 11,639.69

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Solution

The fourth proportional to 18,813.22, 25,957.08 and 11,639.69 is: 16,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.22 : 25,957.08 = 11,639.69 : x
  2. Step 2: Convert to fraction form
    18,813.22/25,957.08 = 11,639.69/x
  3. Step 3: Cross multiply
    18,813.22x = 25,957.08 × 11,639.69
  4. Step 4: Simplify right side
    18,813.22x = 302,132,364.51
  5. Step 5: Solve for x
    x = 302,132,364.51/18,813.22
  6. Step 6: Final answer
    x = 16,059.58

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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.