Home / 26,755.21-40,133.21-12,716.67

Finding the Fourth Proportional to 26,755.21, 40,133.21 and 12,716.67

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Solution

The fourth proportional to 26,755.21, 40,133.21 and 12,716.67 is: 19,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.21 : 40,133.21 = 12,716.67 : x
  2. Step 2: Convert to fraction form
    26,755.21/40,133.21 = 12,716.67/x
  3. Step 3: Cross multiply
    26,755.21x = 40,133.21 × 12,716.67
  4. Step 4: Simplify right side
    26,755.21x = 510,360,787.61
  5. Step 5: Solve for x
    x = 510,360,787.61/26,755.21
  6. Step 6: Final answer
    x = 19,075.19

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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.