Home / 14,727.78-20,323.73-8,013.44

Finding the Fourth Proportional to 14,727.78, 20,323.73 and 8,013.44

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Solution

The fourth proportional to 14,727.78, 20,323.73 and 8,013.44 is: 11,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,727.78 : 20,323.73 = 8,013.44 : x
  2. Step 2: Convert to fraction form
    14,727.78/20,323.73 = 8,013.44/x
  3. Step 3: Cross multiply
    14,727.78x = 20,323.73 × 8,013.44
  4. Step 4: Simplify right side
    14,727.78x = 162,862,849.25
  5. Step 5: Solve for x
    x = 162,862,849.25/14,727.78
  6. Step 6: Final answer
    x = 11,058.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.