Home / 19,291.75-26,626.03-11,333.97

Finding the Fourth Proportional to 19,291.75, 26,626.03 and 11,333.97

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Solution

The fourth proportional to 19,291.75, 26,626.03 and 11,333.97 is: 15,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.75 : 26,626.03 = 11,333.97 : x
  2. Step 2: Convert to fraction form
    19,291.75/26,626.03 = 11,333.97/x
  3. Step 3: Cross multiply
    19,291.75x = 26,626.03 × 11,333.97
  4. Step 4: Simplify right side
    19,291.75x = 301,778,635.13
  5. Step 5: Solve for x
    x = 301,778,635.13/19,291.75
  6. Step 6: Final answer
    x = 15,642.89

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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.