Home / 14,661.63-20,228.33-8,993.66

Finding the Fourth Proportional to 14,661.63, 20,228.33 and 8,993.66

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Solution

The fourth proportional to 14,661.63, 20,228.33 and 8,993.66 is: 12,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.63 : 20,228.33 = 8,993.66 : x
  2. Step 2: Convert to fraction form
    14,661.63/20,228.33 = 8,993.66/x
  3. Step 3: Cross multiply
    14,661.63x = 20,228.33 × 8,993.66
  4. Step 4: Simplify right side
    14,661.63x = 181,926,643.73
  5. Step 5: Solve for x
    x = 181,926,643.73/14,661.63
  6. Step 6: Final answer
    x = 12,408.35

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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.