Home / 16,742.96-23,108.47-11,077.82

Finding the Fourth Proportional to 16,742.96, 23,108.47 and 11,077.82

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Solution

The fourth proportional to 16,742.96, 23,108.47 and 11,077.82 is: 15,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.96 : 23,108.47 = 11,077.82 : x
  2. Step 2: Convert to fraction form
    16,742.96/23,108.47 = 11,077.82/x
  3. Step 3: Cross multiply
    16,742.96x = 23,108.47 × 11,077.82
  4. Step 4: Simplify right side
    16,742.96x = 255,991,471.14
  5. Step 5: Solve for x
    x = 255,991,471.14/16,742.96
  6. Step 6: Final answer
    x = 15,289.50

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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.