Home / 16,921.56-25,385.04-5,825.51

Finding the Fourth Proportional to 16,921.56, 25,385.04 and 5,825.51

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Solution

The fourth proportional to 16,921.56, 25,385.04 and 5,825.51 is: 8,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.56 : 25,385.04 = 5,825.51 : x
  2. Step 2: Convert to fraction form
    16,921.56/25,385.04 = 5,825.51/x
  3. Step 3: Cross multiply
    16,921.56x = 25,385.04 × 5,825.51
  4. Step 4: Simplify right side
    16,921.56x = 147,880,677.45
  5. Step 5: Solve for x
    x = 147,880,677.45/16,921.56
  6. Step 6: Final answer
    x = 8,739.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.