Home / 20,108.42-30,162.87-6,068.58

Finding the Fourth Proportional to 20,108.42, 30,162.87 and 6,068.58

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Solution

The fourth proportional to 20,108.42, 30,162.87 and 6,068.58 is: 9,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108.42 : 30,162.87 = 6,068.58 : x
  2. Step 2: Convert to fraction form
    20,108.42/30,162.87 = 6,068.58/x
  3. Step 3: Cross multiply
    20,108.42x = 30,162.87 × 6,068.58
  4. Step 4: Simplify right side
    20,108.42x = 183,045,676.51
  5. Step 5: Solve for x
    x = 183,045,676.51/20,108.42
  6. Step 6: Final answer
    x = 9,102.93

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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.