Home / 18,628.26-25,717.95-11,558.58

Finding the Fourth Proportional to 18,628.26, 25,717.95 and 11,558.58

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Solution

The fourth proportional to 18,628.26, 25,717.95 and 11,558.58 is: 15,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.26 : 25,717.95 = 11,558.58 : x
  2. Step 2: Convert to fraction form
    18,628.26/25,717.95 = 11,558.58/x
  3. Step 3: Cross multiply
    18,628.26x = 25,717.95 × 11,558.58
  4. Step 4: Simplify right side
    18,628.26x = 297,262,982.51
  5. Step 5: Solve for x
    x = 297,262,982.51/18,628.26
  6. Step 6: Final answer
    x = 15,957.64

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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.