Home / 14,075.40-21,100.02-5,304.36

Finding the Fourth Proportional to 14,075.40, 21,100.02 and 5,304.36

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Solution

The fourth proportional to 14,075.40, 21,100.02 and 5,304.36 is: 7,951.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.40 : 21,100.02 = 5,304.36 : x
  2. Step 2: Convert to fraction form
    14,075.40/21,100.02 = 5,304.36/x
  3. Step 3: Cross multiply
    14,075.40x = 21,100.02 × 5,304.36
  4. Step 4: Simplify right side
    14,075.40x = 111,922,102.09
  5. Step 5: Solve for x
    x = 111,922,102.09/14,075.40
  6. Step 6: Final answer
    x = 7,951.61

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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.