Home / 17,148.98-23,612.99-15,012.56

Finding the Fourth Proportional to 17,148.98, 23,612.99 and 15,012.56

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Solution

The fourth proportional to 17,148.98, 23,612.99 and 15,012.56 is: 20,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.98 : 23,612.99 = 15,012.56 : x
  2. Step 2: Convert to fraction form
    17,148.98/23,612.99 = 15,012.56/x
  3. Step 3: Cross multiply
    17,148.98x = 23,612.99 × 15,012.56
  4. Step 4: Simplify right side
    17,148.98x = 354,491,429.15
  5. Step 5: Solve for x
    x = 354,491,429.15/17,148.98
  6. Step 6: Final answer
    x = 20,671.28

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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.