Home / 35,696.24-53,531.40-11,996.72

Finding the Fourth Proportional to 35,696.24, 53,531.40 and 11,996.72

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Solution

The fourth proportional to 35,696.24, 53,531.40 and 11,996.72 is: 17,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,696.24 : 53,531.40 = 11,996.72 : x
  2. Step 2: Convert to fraction form
    35,696.24/53,531.40 = 11,996.72/x
  3. Step 3: Cross multiply
    35,696.24x = 53,531.40 × 11,996.72
  4. Step 4: Simplify right side
    35,696.24x = 642,201,217.01
  5. Step 5: Solve for x
    x = 642,201,217.01/35,696.24
  6. Step 6: Final answer
    x = 17,990.72

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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.