Home / 16,640.56-22,971.36-10,357.12

Finding the Fourth Proportional to 16,640.56, 22,971.36 and 10,357.12

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Solution

The fourth proportional to 16,640.56, 22,971.36 and 10,357.12 is: 14,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.56 : 22,971.36 = 10,357.12 : x
  2. Step 2: Convert to fraction form
    16,640.56/22,971.36 = 10,357.12/x
  3. Step 3: Cross multiply
    16,640.56x = 22,971.36 × 10,357.12
  4. Step 4: Simplify right side
    16,640.56x = 237,917,132.08
  5. Step 5: Solve for x
    x = 237,917,132.08/16,640.56
  6. Step 6: Final answer
    x = 14,297.42

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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.