Home / 15,731.88-23,593.02-13,267.56

Finding the Fourth Proportional to 15,731.88, 23,593.02 and 13,267.56

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Solution

The fourth proportional to 15,731.88, 23,593.02 and 13,267.56 is: 19,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.88 : 23,593.02 = 13,267.56 : x
  2. Step 2: Convert to fraction form
    15,731.88/23,593.02 = 13,267.56/x
  3. Step 3: Cross multiply
    15,731.88x = 23,593.02 × 13,267.56
  4. Step 4: Simplify right side
    15,731.88x = 313,021,808.43
  5. Step 5: Solve for x
    x = 313,021,808.43/15,731.88
  6. Step 6: Final answer
    x = 19,897.29

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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.