Home / 26,611.21-39,932.27-9,982.81

Finding the Fourth Proportional to 26,611.21, 39,932.27 and 9,982.81

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Solution

The fourth proportional to 26,611.21, 39,932.27 and 9,982.81 is: 14,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,611.21 : 39,932.27 = 9,982.81 : x
  2. Step 2: Convert to fraction form
    26,611.21/39,932.27 = 9,982.81/x
  3. Step 3: Cross multiply
    26,611.21x = 39,932.27 × 9,982.81
  4. Step 4: Simplify right side
    26,611.21x = 398,636,264.28
  5. Step 5: Solve for x
    x = 398,636,264.28/26,611.21
  6. Step 6: Final answer
    x = 14,980.01

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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.