Home / 14,943.88-20,616.42-8,973.64

Finding the Fourth Proportional to 14,943.88, 20,616.42 and 8,973.64

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Solution

The fourth proportional to 14,943.88, 20,616.42 and 8,973.64 is: 12,379.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.88 : 20,616.42 = 8,973.64 : x
  2. Step 2: Convert to fraction form
    14,943.88/20,616.42 = 8,973.64/x
  3. Step 3: Cross multiply
    14,943.88x = 20,616.42 × 8,973.64
  4. Step 4: Simplify right side
    14,943.88x = 185,004,331.17
  5. Step 5: Solve for x
    x = 185,004,331.17/14,943.88
  6. Step 6: Final answer
    x = 12,379.94

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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.