Home / 14,640.36-21,960.60-3,547.04

Finding the Fourth Proportional to 14,640.36, 21,960.60 and 3,547.04

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Solution

The fourth proportional to 14,640.36, 21,960.60 and 3,547.04 is: 5,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.36 : 21,960.60 = 3,547.04 : x
  2. Step 2: Convert to fraction form
    14,640.36/21,960.60 = 3,547.04/x
  3. Step 3: Cross multiply
    14,640.36x = 21,960.60 × 3,547.04
  4. Step 4: Simplify right side
    14,640.36x = 77,895,126.62
  5. Step 5: Solve for x
    x = 77,895,126.62/14,640.36
  6. Step 6: Final answer
    x = 5,320.57

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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.