Home / 20,484.22-30,724.95-5,692.81

Finding the Fourth Proportional to 20,484.22, 30,724.95 and 5,692.81

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Solution

The fourth proportional to 20,484.22, 30,724.95 and 5,692.81 is: 8,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.22 : 30,724.95 = 5,692.81 : x
  2. Step 2: Convert to fraction form
    20,484.22/30,724.95 = 5,692.81/x
  3. Step 3: Cross multiply
    20,484.22x = 30,724.95 × 5,692.81
  4. Step 4: Simplify right side
    20,484.22x = 174,911,225.80
  5. Step 5: Solve for x
    x = 174,911,225.80/20,484.22
  6. Step 6: Final answer
    x = 8,538.83

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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.