Home / 23,075.00-31,843.64-13,520.53

Finding the Fourth Proportional to 23,075.00, 31,843.64 and 13,520.53

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Solution

The fourth proportional to 23,075.00, 31,843.64 and 13,520.53 is: 18,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,075.00 : 31,843.64 = 13,520.53 : x
  2. Step 2: Convert to fraction form
    23,075.00/31,843.64 = 13,520.53/x
  3. Step 3: Cross multiply
    23,075.00x = 31,843.64 × 13,520.53
  4. Step 4: Simplify right side
    23,075.00x = 430,542,663.11
  5. Step 5: Solve for x
    x = 430,542,663.11/23,075.00
  6. Step 6: Final answer
    x = 18,658.41

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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.