Home / 18,986.49-26,201.25-11,033.37

Finding the Fourth Proportional to 18,986.49, 26,201.25 and 11,033.37

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Solution

The fourth proportional to 18,986.49, 26,201.25 and 11,033.37 is: 15,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.49 : 26,201.25 = 11,033.37 : x
  2. Step 2: Convert to fraction form
    18,986.49/26,201.25 = 11,033.37/x
  3. Step 3: Cross multiply
    18,986.49x = 26,201.25 × 11,033.37
  4. Step 4: Simplify right side
    18,986.49x = 289,088,085.71
  5. Step 5: Solve for x
    x = 289,088,085.71/18,986.49
  6. Step 6: Final answer
    x = 15,225.99

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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.