Home / 14,063.06-21,095.46-5,180.78

Finding the Fourth Proportional to 14,063.06, 21,095.46 and 5,180.78

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Solution

The fourth proportional to 14,063.06, 21,095.46 and 5,180.78 is: 7,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.06 : 21,095.46 = 5,180.78 : x
  2. Step 2: Convert to fraction form
    14,063.06/21,095.46 = 5,180.78/x
  3. Step 3: Cross multiply
    14,063.06x = 21,095.46 × 5,180.78
  4. Step 4: Simplify right side
    14,063.06x = 109,290,937.26
  5. Step 5: Solve for x
    x = 109,290,937.26/14,063.06
  6. Step 6: Final answer
    x = 7,771.49

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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.