Home / 15,941.48-21,997.78-9,567.99

Finding the Fourth Proportional to 15,941.48, 21,997.78 and 9,567.99

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Solution

The fourth proportional to 15,941.48, 21,997.78 and 9,567.99 is: 13,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.48 : 21,997.78 = 9,567.99 : x
  2. Step 2: Convert to fraction form
    15,941.48/21,997.78 = 9,567.99/x
  3. Step 3: Cross multiply
    15,941.48x = 21,997.78 × 9,567.99
  4. Step 4: Simplify right side
    15,941.48x = 210,474,515.14
  5. Step 5: Solve for x
    x = 210,474,515.14/15,941.48
  6. Step 6: Final answer
    x = 13,202.95

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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.