Home / 12,716.16-19,075.20-4,395.84

Finding the Fourth Proportional to 12,716.16, 19,075.20 and 4,395.84

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Solution

The fourth proportional to 12,716.16, 19,075.20 and 4,395.84 is: 6,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.16 : 19,075.20 = 4,395.84 : x
  2. Step 2: Convert to fraction form
    12,716.16/19,075.20 = 4,395.84/x
  3. Step 3: Cross multiply
    12,716.16x = 19,075.20 × 4,395.84
  4. Step 4: Simplify right side
    12,716.16x = 83,851,527.17
  5. Step 5: Solve for x
    x = 83,851,527.17/12,716.16
  6. Step 6: Final answer
    x = 6,594.09

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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.