Home / 20,038.96-30,051.84-6,891.04

Finding the Fourth Proportional to 20,038.96, 30,051.84 and 6,891.04

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Solution

The fourth proportional to 20,038.96, 30,051.84 and 6,891.04 is: 10,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.96 : 30,051.84 = 6,891.04 : x
  2. Step 2: Convert to fraction form
    20,038.96/30,051.84 = 6,891.04/x
  3. Step 3: Cross multiply
    20,038.96x = 30,051.84 × 6,891.04
  4. Step 4: Simplify right side
    20,038.96x = 207,088,431.51
  5. Step 5: Solve for x
    x = 207,088,431.51/20,038.96
  6. Step 6: Final answer
    x = 10,334.29

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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.