Home / 20,740.44-31,116.70-6,700.20

Finding the Fourth Proportional to 20,740.44, 31,116.70 and 6,700.20

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Solution

The fourth proportional to 20,740.44, 31,116.70 and 6,700.20 is: 10,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740.44 : 31,116.70 = 6,700.20 : x
  2. Step 2: Convert to fraction form
    20,740.44/31,116.70 = 6,700.20/x
  3. Step 3: Cross multiply
    20,740.44x = 31,116.70 × 6,700.20
  4. Step 4: Simplify right side
    20,740.44x = 208,488,113.34
  5. Step 5: Solve for x
    x = 208,488,113.34/20,740.44
  6. Step 6: Final answer
    x = 10,052.25

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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.