Home / 26,804.84-40,178.85-9,018.56

Finding the Fourth Proportional to 26,804.84, 40,178.85 and 9,018.56

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Solution

The fourth proportional to 26,804.84, 40,178.85 and 9,018.56 is: 13,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,804.84 : 40,178.85 = 9,018.56 : x
  2. Step 2: Convert to fraction form
    26,804.84/40,178.85 = 9,018.56/x
  3. Step 3: Cross multiply
    26,804.84x = 40,178.85 × 9,018.56
  4. Step 4: Simplify right side
    26,804.84x = 362,355,168.56
  5. Step 5: Solve for x
    x = 362,355,168.56/26,804.84
  6. Step 6: Final answer
    x = 13,518.28

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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.