Home / 19,725.17-27,220.37-10,771.83

Finding the Fourth Proportional to 19,725.17, 27,220.37 and 10,771.83

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Solution

The fourth proportional to 19,725.17, 27,220.37 and 10,771.83 is: 14,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.17 : 27,220.37 = 10,771.83 : x
  2. Step 2: Convert to fraction form
    19,725.17/27,220.37 = 10,771.83/x
  3. Step 3: Cross multiply
    19,725.17x = 27,220.37 × 10,771.83
  4. Step 4: Simplify right side
    19,725.17x = 293,213,144.32
  5. Step 5: Solve for x
    x = 293,213,144.32/19,725.17
  6. Step 6: Final answer
    x = 14,864.93

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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.