Home / 13,822.85-19,075.53-7,535.23

Finding the Fourth Proportional to 13,822.85, 19,075.53 and 7,535.23

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Solution

The fourth proportional to 13,822.85, 19,075.53 and 7,535.23 is: 10,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.85 : 19,075.53 = 7,535.23 : x
  2. Step 2: Convert to fraction form
    13,822.85/19,075.53 = 7,535.23/x
  3. Step 3: Cross multiply
    13,822.85x = 19,075.53 × 7,535.23
  4. Step 4: Simplify right side
    13,822.85x = 143,738,410.54
  5. Step 5: Solve for x
    x = 143,738,410.54/13,822.85
  6. Step 6: Final answer
    x = 10,398.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.