Home / 14,273.18-19,696.46-7,985.56

Finding the Fourth Proportional to 14,273.18, 19,696.46 and 7,985.56

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Solution

The fourth proportional to 14,273.18, 19,696.46 and 7,985.56 is: 11,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.18 : 19,696.46 = 7,985.56 : x
  2. Step 2: Convert to fraction form
    14,273.18/19,696.46 = 7,985.56/x
  3. Step 3: Cross multiply
    14,273.18x = 19,696.46 × 7,985.56
  4. Step 4: Simplify right side
    14,273.18x = 157,287,263.12
  5. Step 5: Solve for x
    x = 157,287,263.12/14,273.18
  6. Step 6: Final answer
    x = 11,019.78

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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.