Home / 26,216.18-39,291.43-20,647.53

Finding the Fourth Proportional to 26,216.18, 39,291.43 and 20,647.53

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Solution

The fourth proportional to 26,216.18, 39,291.43 and 20,647.53 is: 30,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,216.18 : 39,291.43 = 20,647.53 : x
  2. Step 2: Convert to fraction form
    26,216.18/39,291.43 = 20,647.53/x
  3. Step 3: Cross multiply
    26,216.18x = 39,291.43 × 20,647.53
  4. Step 4: Simplify right side
    26,216.18x = 811,271,054.59
  5. Step 5: Solve for x
    x = 811,271,054.59/26,216.18
  6. Step 6: Final answer
    x = 30,945.43

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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.