Home / 19,083.94-28,580.66-15,122.46

Finding the Fourth Proportional to 19,083.94, 28,580.66 and 15,122.46

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Solution

The fourth proportional to 19,083.94, 28,580.66 and 15,122.46 is: 22,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.94 : 28,580.66 = 15,122.46 : x
  2. Step 2: Convert to fraction form
    19,083.94/28,580.66 = 15,122.46/x
  3. Step 3: Cross multiply
    19,083.94x = 28,580.66 × 15,122.46
  4. Step 4: Simplify right side
    19,083.94x = 432,209,895.51
  5. Step 5: Solve for x
    x = 432,209,895.51/19,083.94
  6. Step 6: Final answer
    x = 22,647.83

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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.