Home / 19,284.55-28,943.26-7,605.97

Finding the Fourth Proportional to 19,284.55, 28,943.26 and 7,605.97

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Solution

The fourth proportional to 19,284.55, 28,943.26 and 7,605.97 is: 11,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.55 : 28,943.26 = 7,605.97 : x
  2. Step 2: Convert to fraction form
    19,284.55/28,943.26 = 7,605.97/x
  3. Step 3: Cross multiply
    19,284.55x = 28,943.26 × 7,605.97
  4. Step 4: Simplify right side
    19,284.55x = 220,141,475.89
  5. Step 5: Solve for x
    x = 220,141,475.89/19,284.55
  6. Step 6: Final answer
    x = 11,415.43

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1.5x scale

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.