Home / 20,821.98-31,232.93-6,030.89

Finding the Fourth Proportional to 20,821.98, 31,232.93 and 6,030.89

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Solution

The fourth proportional to 20,821.98, 31,232.93 and 6,030.89 is: 9,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,821.98 : 31,232.93 = 6,030.89 : x
  2. Step 2: Convert to fraction form
    20,821.98/31,232.93 = 6,030.89/x
  3. Step 3: Cross multiply
    20,821.98x = 31,232.93 × 6,030.89
  4. Step 4: Simplify right side
    20,821.98x = 188,362,178.89
  5. Step 5: Solve for x
    x = 188,362,178.89/20,821.98
  6. Step 6: Final answer
    x = 9,046.31

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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.