Home / 19,020.61-28,518.16-17,041.38

Finding the Fourth Proportional to 19,020.61, 28,518.16 and 17,041.38

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Solution

The fourth proportional to 19,020.61, 28,518.16 and 17,041.38 is: 25,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.61 : 28,518.16 = 17,041.38 : x
  2. Step 2: Convert to fraction form
    19,020.61/28,518.16 = 17,041.38/x
  3. Step 3: Cross multiply
    19,020.61x = 28,518.16 × 17,041.38
  4. Step 4: Simplify right side
    19,020.61x = 485,988,801.46
  5. Step 5: Solve for x
    x = 485,988,801.46/19,020.61
  6. Step 6: Final answer
    x = 25,550.64

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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.