Home / 21,692.16-32,534.40-6,109.68

Finding the Fourth Proportional to 21,692.16, 32,534.40 and 6,109.68

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Solution

The fourth proportional to 21,692.16, 32,534.40 and 6,109.68 is: 9,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.16 : 32,534.40 = 6,109.68 : x
  2. Step 2: Convert to fraction form
    21,692.16/32,534.40 = 6,109.68/x
  3. Step 3: Cross multiply
    21,692.16x = 32,534.40 × 6,109.68
  4. Step 4: Simplify right side
    21,692.16x = 198,774,772.99
  5. Step 5: Solve for x
    x = 198,774,772.99/21,692.16
  6. Step 6: Final answer
    x = 9,163.44

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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.