Home / 21,701.72-32,492.67-11,148.99

Finding the Fourth Proportional to 21,701.72, 32,492.67 and 11,148.99

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Solution

The fourth proportional to 21,701.72, 32,492.67 and 11,148.99 is: 16,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.72 : 32,492.67 = 11,148.99 : x
  2. Step 2: Convert to fraction form
    21,701.72/32,492.67 = 11,148.99/x
  3. Step 3: Cross multiply
    21,701.72x = 32,492.67 × 11,148.99
  4. Step 4: Simplify right side
    21,701.72x = 362,260,503.37
  5. Step 5: Solve for x
    x = 362,260,503.37/21,701.72
  6. Step 6: Final answer
    x = 16,692.71

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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.