Home / 27,371.06-37,760.96-19,316.40

Finding the Fourth Proportional to 27,371.06, 37,760.96 and 19,316.40

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Solution

The fourth proportional to 27,371.06, 37,760.96 and 19,316.40 is: 26,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,371.06 : 37,760.96 = 19,316.40 : x
  2. Step 2: Convert to fraction form
    27,371.06/37,760.96 = 19,316.40/x
  3. Step 3: Cross multiply
    27,371.06x = 37,760.96 × 19,316.40
  4. Step 4: Simplify right side
    27,371.06x = 729,405,711.16
  5. Step 5: Solve for x
    x = 729,405,711.16/27,371.06
  6. Step 6: Final answer
    x = 26,648.80

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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.