Home / 13,323.80-19,983.81-4,557.44

Finding the Fourth Proportional to 13,323.80, 19,983.81 and 4,557.44

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Solution

The fourth proportional to 13,323.80, 19,983.81 and 4,557.44 is: 6,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.80 : 19,983.81 = 4,557.44 : x
  2. Step 2: Convert to fraction form
    13,323.80/19,983.81 = 4,557.44/x
  3. Step 3: Cross multiply
    13,323.80x = 19,983.81 × 4,557.44
  4. Step 4: Simplify right side
    13,323.80x = 91,075,015.05
  5. Step 5: Solve for x
    x = 91,075,015.05/13,323.80
  6. Step 6: Final answer
    x = 6,835.51

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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.