Home / 26,378.89-36,391.87-19,293.01

Finding the Fourth Proportional to 26,378.89, 36,391.87 and 19,293.01

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Solution

The fourth proportional to 26,378.89, 36,391.87 and 19,293.01 is: 26,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.89 : 36,391.87 = 19,293.01 : x
  2. Step 2: Convert to fraction form
    26,378.89/36,391.87 = 19,293.01/x
  3. Step 3: Cross multiply
    26,378.89x = 36,391.87 × 19,293.01
  4. Step 4: Simplify right side
    26,378.89x = 702,108,711.83
  5. Step 5: Solve for x
    x = 702,108,711.83/26,378.89
  6. Step 6: Final answer
    x = 26,616.31

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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.