Home / 20,770.70-31,152.67-5,976.25

Finding the Fourth Proportional to 20,770.70, 31,152.67 and 5,976.25

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Solution

The fourth proportional to 20,770.70, 31,152.67 and 5,976.25 is: 8,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,770.70 : 31,152.67 = 5,976.25 : x
  2. Step 2: Convert to fraction form
    20,770.70/31,152.67 = 5,976.25/x
  3. Step 3: Cross multiply
    20,770.70x = 31,152.67 × 5,976.25
  4. Step 4: Simplify right side
    20,770.70x = 186,176,051.27
  5. Step 5: Solve for x
    x = 186,176,051.27/20,770.70
  6. Step 6: Final answer
    x = 8,963.40

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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.