Home / 19,741.38-27,239.67-11,783.13

Finding the Fourth Proportional to 19,741.38, 27,239.67 and 11,783.13

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Solution

The fourth proportional to 19,741.38, 27,239.67 and 11,783.13 is: 16,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.38 : 27,239.67 = 11,783.13 : x
  2. Step 2: Convert to fraction form
    19,741.38/27,239.67 = 11,783.13/x
  3. Step 3: Cross multiply
    19,741.38x = 27,239.67 × 11,783.13
  4. Step 4: Simplify right side
    19,741.38x = 320,968,572.77
  5. Step 5: Solve for x
    x = 320,968,572.77/19,741.38
  6. Step 6: Final answer
    x = 16,258.67

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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.