Home / 21,927.01-30,258.46-12,493.75

Finding the Fourth Proportional to 21,927.01, 30,258.46 and 12,493.75

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Solution

The fourth proportional to 21,927.01, 30,258.46 and 12,493.75 is: 17,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.01 : 30,258.46 = 12,493.75 : x
  2. Step 2: Convert to fraction form
    21,927.01/30,258.46 = 12,493.75/x
  3. Step 3: Cross multiply
    21,927.01x = 30,258.46 × 12,493.75
  4. Step 4: Simplify right side
    21,927.01x = 378,041,634.63
  5. Step 5: Solve for x
    x = 378,041,634.63/21,927.01
  6. Step 6: Final answer
    x = 17,240.91

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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.