Home / 15,796.36-21,789.02-10,125.26

Finding the Fourth Proportional to 15,796.36, 21,789.02 and 10,125.26

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Solution

The fourth proportional to 15,796.36, 21,789.02 and 10,125.26 is: 13,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.36 : 21,789.02 = 10,125.26 : x
  2. Step 2: Convert to fraction form
    15,796.36/21,789.02 = 10,125.26/x
  3. Step 3: Cross multiply
    15,796.36x = 21,789.02 × 10,125.26
  4. Step 4: Simplify right side
    15,796.36x = 220,619,333.07
  5. Step 5: Solve for x
    x = 220,619,333.07/15,796.36
  6. Step 6: Final answer
    x = 13,966.47

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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.