Home / 19,054.62-28,575.87-17,810.78

Finding the Fourth Proportional to 19,054.62, 28,575.87 and 17,810.78

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Solution

The fourth proportional to 19,054.62, 28,575.87 and 17,810.78 is: 26,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.62 : 28,575.87 = 17,810.78 : x
  2. Step 2: Convert to fraction form
    19,054.62/28,575.87 = 17,810.78/x
  3. Step 3: Cross multiply
    19,054.62x = 28,575.87 × 17,810.78
  4. Step 4: Simplify right side
    19,054.62x = 508,958,391.00
  5. Step 5: Solve for x
    x = 508,958,391.00/19,054.62
  6. Step 6: Final answer
    x = 26,710.50

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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.