Home / 19,618.30-27,072.93-10,666.03

Finding the Fourth Proportional to 19,618.30, 27,072.93 and 10,666.03

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Solution

The fourth proportional to 19,618.30, 27,072.93 and 10,666.03 is: 14,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.30 : 27,072.93 = 10,666.03 : x
  2. Step 2: Convert to fraction form
    19,618.30/27,072.93 = 10,666.03/x
  3. Step 3: Cross multiply
    19,618.30x = 27,072.93 × 10,666.03
  4. Step 4: Simplify right side
    19,618.30x = 288,760,683.57
  5. Step 5: Solve for x
    x = 288,760,683.57/19,618.30
  6. Step 6: Final answer
    x = 14,718.95

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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.