Home / 19,138.54-26,412.67-11,482.11

Finding the Fourth Proportional to 19,138.54, 26,412.67 and 11,482.11

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Solution

The fourth proportional to 19,138.54, 26,412.67 and 11,482.11 is: 15,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.54 : 26,412.67 = 11,482.11 : x
  2. Step 2: Convert to fraction form
    19,138.54/26,412.67 = 11,482.11/x
  3. Step 3: Cross multiply
    19,138.54x = 26,412.67 × 11,482.11
  4. Step 4: Simplify right side
    19,138.54x = 303,273,021.57
  5. Step 5: Solve for x
    x = 303,273,021.57/19,138.54
  6. Step 6: Final answer
    x = 15,846.19

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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.