Home / 13,075.11-18,043.52-9,732.87

Finding the Fourth Proportional to 13,075.11, 18,043.52 and 9,732.87

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Solution

The fourth proportional to 13,075.11, 18,043.52 and 9,732.87 is: 13,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.11 : 18,043.52 = 9,732.87 : x
  2. Step 2: Convert to fraction form
    13,075.11/18,043.52 = 9,732.87/x
  3. Step 3: Cross multiply
    13,075.11x = 18,043.52 × 9,732.87
  4. Step 4: Simplify right side
    13,075.11x = 175,615,185.84
  5. Step 5: Solve for x
    x = 175,615,185.84/13,075.11
  6. Step 6: Final answer
    x = 13,431.26

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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.