Home / 13,301.08-19,951.97-3,440.32

Finding the Fourth Proportional to 13,301.08, 19,951.97 and 3,440.32

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Solution

The fourth proportional to 13,301.08, 19,951.97 and 3,440.32 is: 5,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.08 : 19,951.97 = 3,440.32 : x
  2. Step 2: Convert to fraction form
    13,301.08/19,951.97 = 3,440.32/x
  3. Step 3: Cross multiply
    13,301.08x = 19,951.97 × 3,440.32
  4. Step 4: Simplify right side
    13,301.08x = 68,641,094.35
  5. Step 5: Solve for x
    x = 68,641,094.35/13,301.08
  6. Step 6: Final answer
    x = 5,160.57

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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.