Home / 15,896.25-21,921.48-10,516.23

Finding the Fourth Proportional to 15,896.25, 21,921.48 and 10,516.23

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Solution

The fourth proportional to 15,896.25, 21,921.48 and 10,516.23 is: 14,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.25 : 21,921.48 = 10,516.23 : x
  2. Step 2: Convert to fraction form
    15,896.25/21,921.48 = 10,516.23/x
  3. Step 3: Cross multiply
    15,896.25x = 21,921.48 × 10,516.23
  4. Step 4: Simplify right side
    15,896.25x = 230,531,325.62
  5. Step 5: Solve for x
    x = 230,531,325.62/15,896.25
  6. Step 6: Final answer
    x = 14,502.25

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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.