Home / 21,751.02-30,076.82-17,266.99

Finding the Fourth Proportional to 21,751.02, 30,076.82 and 17,266.99

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Solution

The fourth proportional to 21,751.02, 30,076.82 and 17,266.99 is: 23,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.02 : 30,076.82 = 17,266.99 : x
  2. Step 2: Convert to fraction form
    21,751.02/30,076.82 = 17,266.99/x
  3. Step 3: Cross multiply
    21,751.02x = 30,076.82 × 17,266.99
  4. Step 4: Simplify right side
    21,751.02x = 519,336,150.17
  5. Step 5: Solve for x
    x = 519,336,150.17/21,751.02
  6. Step 6: Final answer
    x = 23,876.40

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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.