Home / 20,381.83-30,583.44-14,805.57

Finding the Fourth Proportional to 20,381.83, 30,583.44 and 14,805.57

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Solution

The fourth proportional to 20,381.83, 30,583.44 and 14,805.57 is: 22,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,381.83 : 30,583.44 = 14,805.57 : x
  2. Step 2: Convert to fraction form
    20,381.83/30,583.44 = 14,805.57/x
  3. Step 3: Cross multiply
    20,381.83x = 30,583.44 × 14,805.57
  4. Step 4: Simplify right side
    20,381.83x = 452,805,206.24
  5. Step 5: Solve for x
    x = 452,805,206.24/20,381.83
  6. Step 6: Final answer
    x = 22,216.12

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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.