Home / 22,725.64-31,371.06-15,277.96

Finding the Fourth Proportional to 22,725.64, 31,371.06 and 15,277.96

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Solution

The fourth proportional to 22,725.64, 31,371.06 and 15,277.96 is: 21,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.64 : 31,371.06 = 15,277.96 : x
  2. Step 2: Convert to fraction form
    22,725.64/31,371.06 = 15,277.96/x
  3. Step 3: Cross multiply
    22,725.64x = 31,371.06 × 15,277.96
  4. Step 4: Simplify right side
    22,725.64x = 479,285,799.84
  5. Step 5: Solve for x
    x = 479,285,799.84/22,725.64
  6. Step 6: Final answer
    x = 21,090.09

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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.