Home / 15,193.64-22,738.62-12,731.24

Finding the Fourth Proportional to 15,193.64, 22,738.62 and 12,731.24

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Solution

The fourth proportional to 15,193.64, 22,738.62 and 12,731.24 is: 19,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.64 : 22,738.62 = 12,731.24 : x
  2. Step 2: Convert to fraction form
    15,193.64/22,738.62 = 12,731.24/x
  3. Step 3: Cross multiply
    15,193.64x = 22,738.62 × 12,731.24
  4. Step 4: Simplify right side
    15,193.64x = 289,490,828.49
  5. Step 5: Solve for x
    x = 289,490,828.49/15,193.64
  6. Step 6: Final answer
    x = 19,053.42

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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.