Home / 27,379.03-37,783.01-15,442.33

Finding the Fourth Proportional to 27,379.03, 37,783.01 and 15,442.33

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Solution

The fourth proportional to 27,379.03, 37,783.01 and 15,442.33 is: 21,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.03 : 37,783.01 = 15,442.33 : x
  2. Step 2: Convert to fraction form
    27,379.03/37,783.01 = 15,442.33/x
  3. Step 3: Cross multiply
    27,379.03x = 37,783.01 × 15,442.33
  4. Step 4: Simplify right side
    27,379.03x = 583,457,708.81
  5. Step 5: Solve for x
    x = 583,457,708.81/27,379.03
  6. Step 6: Final answer
    x = 21,310.39

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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.