Home / 26,742.18-36,902.81-14,640.35

Finding the Fourth Proportional to 26,742.18, 36,902.81 and 14,640.35

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Solution

The fourth proportional to 26,742.18, 36,902.81 and 14,640.35 is: 20,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.18 : 36,902.81 = 14,640.35 : x
  2. Step 2: Convert to fraction form
    26,742.18/36,902.81 = 14,640.35/x
  3. Step 3: Cross multiply
    26,742.18x = 36,902.81 × 14,640.35
  4. Step 4: Simplify right side
    26,742.18x = 540,269,796.67
  5. Step 5: Solve for x
    x = 540,269,796.67/26,742.18
  6. Step 6: Final answer
    x = 20,202.91

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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.