Home / 14,414.64-19,880.69-9,937.37

Finding the Fourth Proportional to 14,414.64, 19,880.69 and 9,937.37

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Solution

The fourth proportional to 14,414.64, 19,880.69 and 9,937.37 is: 13,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.64 : 19,880.69 = 9,937.37 : x
  2. Step 2: Convert to fraction form
    14,414.64/19,880.69 = 9,937.37/x
  3. Step 3: Cross multiply
    14,414.64x = 19,880.69 × 9,937.37
  4. Step 4: Simplify right side
    14,414.64x = 197,561,623.30
  5. Step 5: Solve for x
    x = 197,561,623.30/14,414.64
  6. Step 6: Final answer
    x = 13,705.62

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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.