Home / 13,075.05-19,601.60-9,114.66

Finding the Fourth Proportional to 13,075.05, 19,601.60 and 9,114.66

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Solution

The fourth proportional to 13,075.05, 19,601.60 and 9,114.66 is: 13,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.05 : 19,601.60 = 9,114.66 : x
  2. Step 2: Convert to fraction form
    13,075.05/19,601.60 = 9,114.66/x
  3. Step 3: Cross multiply
    13,075.05x = 19,601.60 × 9,114.66
  4. Step 4: Simplify right side
    13,075.05x = 178,661,873.88
  5. Step 5: Solve for x
    x = 178,661,873.88/13,075.05
  6. Step 6: Final answer
    x = 13,664.34

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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.