Home / 15,692.75-21,647.96-10,021.53

Finding the Fourth Proportional to 15,692.75, 21,647.96 and 10,021.53

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Solution

The fourth proportional to 15,692.75, 21,647.96 and 10,021.53 is: 13,824.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692.75 : 21,647.96 = 10,021.53 : x
  2. Step 2: Convert to fraction form
    15,692.75/21,647.96 = 10,021.53/x
  3. Step 3: Cross multiply
    15,692.75x = 21,647.96 × 10,021.53
  4. Step 4: Simplify right side
    15,692.75x = 216,945,630.47
  5. Step 5: Solve for x
    x = 216,945,630.47/15,692.75
  6. Step 6: Final answer
    x = 13,824.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.