Home / 13,075.83-19,577.80-9,131.03

Finding the Fourth Proportional to 13,075.83, 19,577.80 and 9,131.03

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Solution

The fourth proportional to 13,075.83, 19,577.80 and 9,131.03 is: 13,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.83 : 19,577.80 = 9,131.03 : x
  2. Step 2: Convert to fraction form
    13,075.83/19,577.80 = 9,131.03/x
  3. Step 3: Cross multiply
    13,075.83x = 19,577.80 × 9,131.03
  4. Step 4: Simplify right side
    13,075.83x = 178,765,466.08
  5. Step 5: Solve for x
    x = 178,765,466.08/13,075.83
  6. Step 6: Final answer
    x = 13,671.44

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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.