Home / 27,945.40-41,966.70-19,683.40

Finding the Fourth Proportional to 27,945.40, 41,966.70 and 19,683.40

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Solution

The fourth proportional to 27,945.40, 41,966.70 and 19,683.40 is: 29,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.40 : 41,966.70 = 19,683.40 : x
  2. Step 2: Convert to fraction form
    27,945.40/41,966.70 = 19,683.40/x
  3. Step 3: Cross multiply
    27,945.40x = 41,966.70 × 19,683.40
  4. Step 4: Simplify right side
    27,945.40x = 826,047,342.78
  5. Step 5: Solve for x
    x = 826,047,342.78/27,945.40
  6. Step 6: Final answer
    x = 29,559.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.