Home / 19,222.73-28,843.31-10,457.63

Finding the Fourth Proportional to 19,222.73, 28,843.31 and 10,457.63

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Solution

The fourth proportional to 19,222.73, 28,843.31 and 10,457.63 is: 15,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.73 : 28,843.31 = 10,457.63 : x
  2. Step 2: Convert to fraction form
    19,222.73/28,843.31 = 10,457.63/x
  3. Step 3: Cross multiply
    19,222.73x = 28,843.31 × 10,457.63
  4. Step 4: Simplify right side
    19,222.73x = 301,632,762.21
  5. Step 5: Solve for x
    x = 301,632,762.21/19,222.73
  6. Step 6: Final answer
    x = 15,691.46

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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.