Home / 16,970.96-23,420.66-11,296.57

Finding the Fourth Proportional to 16,970.96, 23,420.66 and 11,296.57

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Solution

The fourth proportional to 16,970.96, 23,420.66 and 11,296.57 is: 15,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.96 : 23,420.66 = 11,296.57 : x
  2. Step 2: Convert to fraction form
    16,970.96/23,420.66 = 11,296.57/x
  3. Step 3: Cross multiply
    16,970.96x = 23,420.66 × 11,296.57
  4. Step 4: Simplify right side
    16,970.96x = 264,573,010.10
  5. Step 5: Solve for x
    x = 264,573,010.10/16,970.96
  6. Step 6: Final answer
    x = 15,589.75

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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.