Home / 18,947.99-26,132.81-16,674.42

Finding the Fourth Proportional to 18,947.99, 26,132.81 and 16,674.42

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Solution

The fourth proportional to 18,947.99, 26,132.81 and 16,674.42 is: 22,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.99 : 26,132.81 = 16,674.42 : x
  2. Step 2: Convert to fraction form
    18,947.99/26,132.81 = 16,674.42/x
  3. Step 3: Cross multiply
    18,947.99x = 26,132.81 × 16,674.42
  4. Step 4: Simplify right side
    18,947.99x = 435,749,449.72
  5. Step 5: Solve for x
    x = 435,749,449.72/18,947.99
  6. Step 6: Final answer
    x = 22,997.14

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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.