Home / 25,647.36-35,376.12-19,290.48

Finding the Fourth Proportional to 25,647.36, 35,376.12 and 19,290.48

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Solution

The fourth proportional to 25,647.36, 35,376.12 and 19,290.48 is: 26,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,647.36 : 35,376.12 = 19,290.48 : x
  2. Step 2: Convert to fraction form
    25,647.36/35,376.12 = 19,290.48/x
  3. Step 3: Cross multiply
    25,647.36x = 35,376.12 × 19,290.48
  4. Step 4: Simplify right side
    25,647.36x = 682,422,335.34
  5. Step 5: Solve for x
    x = 682,422,335.34/25,647.36
  6. Step 6: Final answer
    x = 26,607.90

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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.