Home / 29,518.64-40,735.32-16,943.12

Finding the Fourth Proportional to 29,518.64, 40,735.32 and 16,943.12

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Solution

The fourth proportional to 29,518.64, 40,735.32 and 16,943.12 is: 23,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,518.64 : 40,735.32 = 16,943.12 : x
  2. Step 2: Convert to fraction form
    29,518.64/40,735.32 = 16,943.12/x
  3. Step 3: Cross multiply
    29,518.64x = 40,735.32 × 16,943.12
  4. Step 4: Simplify right side
    29,518.64x = 690,183,415.00
  5. Step 5: Solve for x
    x = 690,183,415.00/29,518.64
  6. Step 6: Final answer
    x = 23,381.27

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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.