Home / 19,129.40-26,394.25-11,575.54

Finding the Fourth Proportional to 19,129.40, 26,394.25 and 11,575.54

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Solution

The fourth proportional to 19,129.40, 26,394.25 and 11,575.54 is: 15,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.40 : 26,394.25 = 11,575.54 : x
  2. Step 2: Convert to fraction form
    19,129.40/26,394.25 = 11,575.54/x
  3. Step 3: Cross multiply
    19,129.40x = 26,394.25 × 11,575.54
  4. Step 4: Simplify right side
    19,129.40x = 305,527,696.65
  5. Step 5: Solve for x
    x = 305,527,696.65/19,129.40
  6. Step 6: Final answer
    x = 15,971.63

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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.