Home / 15,896.04-21,940.56-10,862.28

Finding the Fourth Proportional to 15,896.04, 21,940.56 and 10,862.28

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Solution

The fourth proportional to 15,896.04, 21,940.56 and 10,862.28 is: 14,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.04 : 21,940.56 = 10,862.28 : x
  2. Step 2: Convert to fraction form
    15,896.04/21,940.56 = 10,862.28/x
  3. Step 3: Cross multiply
    15,896.04x = 21,940.56 × 10,862.28
  4. Step 4: Simplify right side
    15,896.04x = 238,324,506.08
  5. Step 5: Solve for x
    x = 238,324,506.08/15,896.04
  6. Step 6: Final answer
    x = 14,992.70

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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.