Home / 15,940.04-23,899.80-7,619.87

Finding the Fourth Proportional to 15,940.04, 23,899.80 and 7,619.87

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Solution

The fourth proportional to 15,940.04, 23,899.80 and 7,619.87 is: 11,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.04 : 23,899.80 = 7,619.87 : x
  2. Step 2: Convert to fraction form
    15,940.04/23,899.80 = 7,619.87/x
  3. Step 3: Cross multiply
    15,940.04x = 23,899.80 × 7,619.87
  4. Step 4: Simplify right side
    15,940.04x = 182,113,220.95
  5. Step 5: Solve for x
    x = 182,113,220.95/15,940.04
  6. Step 6: Final answer
    x = 11,424.89

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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.