Home / 20,306.77-30,386.34-16,763.83

Finding the Fourth Proportional to 20,306.77, 30,386.34 and 16,763.83

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Solution

The fourth proportional to 20,306.77, 30,386.34 and 16,763.83 is: 25,084.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306.77 : 30,386.34 = 16,763.83 : x
  2. Step 2: Convert to fraction form
    20,306.77/30,386.34 = 16,763.83/x
  3. Step 3: Cross multiply
    20,306.77x = 30,386.34 × 16,763.83
  4. Step 4: Simplify right side
    20,306.77x = 509,391,438.08
  5. Step 5: Solve for x
    x = 509,391,438.08/20,306.77
  6. Step 6: Final answer
    x = 25,084.81

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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.