Home / 14,075.67-19,424.61-7,788

Finding the Fourth Proportional to 14,075.67, 19,424.61 and 7,788

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Solution

The fourth proportional to 14,075.67, 19,424.61 and 7,788 is: 10,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.67 : 19,424.61 = 7,788 : x
  2. Step 2: Convert to fraction form
    14,075.67/19,424.61 = 7,788/x
  3. Step 3: Cross multiply
    14,075.67x = 19,424.61 × 7,788
  4. Step 4: Simplify right side
    14,075.67x = 151,278,862.68
  5. Step 5: Solve for x
    x = 151,278,862.68/14,075.67
  6. Step 6: Final answer
    x = 10,747.54

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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.