Home / 20,193.89-30,288.67-7,046.51

Finding the Fourth Proportional to 20,193.89, 30,288.67 and 7,046.51

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Solution

The fourth proportional to 20,193.89, 30,288.67 and 7,046.51 is: 10,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.89 : 30,288.67 = 7,046.51 : x
  2. Step 2: Convert to fraction form
    20,193.89/30,288.67 = 7,046.51/x
  3. Step 3: Cross multiply
    20,193.89x = 30,288.67 × 7,046.51
  4. Step 4: Simplify right side
    20,193.89x = 213,429,246.98
  5. Step 5: Solve for x
    x = 213,429,246.98/20,193.89
  6. Step 6: Final answer
    x = 10,569.00

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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.