Home / 13,795.02-19,035.80-7,743.87

Finding the Fourth Proportional to 13,795.02, 19,035.80 and 7,743.87

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Solution

The fourth proportional to 13,795.02, 19,035.80 and 7,743.87 is: 10,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.02 : 19,035.80 = 7,743.87 : x
  2. Step 2: Convert to fraction form
    13,795.02/19,035.80 = 7,743.87/x
  3. Step 3: Cross multiply
    13,795.02x = 19,035.80 × 7,743.87
  4. Step 4: Simplify right side
    13,795.02x = 147,410,779.91
  5. Step 5: Solve for x
    x = 147,410,779.91/13,795.02
  6. Step 6: Final answer
    x = 10,685.80

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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.