Home / 14,640.18-21,960.15-3,546.93

Finding the Fourth Proportional to 14,640.18, 21,960.15 and 3,546.93

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Solution

The fourth proportional to 14,640.18, 21,960.15 and 3,546.93 is: 5,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.18 : 21,960.15 = 3,546.93 : x
  2. Step 2: Convert to fraction form
    14,640.18/21,960.15 = 3,546.93/x
  3. Step 3: Cross multiply
    14,640.18x = 21,960.15 × 3,546.93
  4. Step 4: Simplify right side
    14,640.18x = 77,891,114.84
  5. Step 5: Solve for x
    x = 77,891,114.84/14,640.18
  6. Step 6: Final answer
    x = 5,320.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.