Home / 26,742.87-36,905.73-14,643.86

Finding the Fourth Proportional to 26,742.87, 36,905.73 and 14,643.86

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Solution

The fourth proportional to 26,742.87, 36,905.73 and 14,643.86 is: 20,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.87 : 36,905.73 = 14,643.86 : x
  2. Step 2: Convert to fraction form
    26,742.87/36,905.73 = 14,643.86/x
  3. Step 3: Cross multiply
    26,742.87x = 36,905.73 × 14,643.86
  4. Step 4: Simplify right side
    26,742.87x = 540,442,415.27
  5. Step 5: Solve for x
    x = 540,442,415.27/26,742.87
  6. Step 6: Final answer
    x = 20,208.84

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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.