Home / 21,027.54-29,017.63-11,467.50

Finding the Fourth Proportional to 21,027.54, 29,017.63 and 11,467.50

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Solution

The fourth proportional to 21,027.54, 29,017.63 and 11,467.50 is: 15,824.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.54 : 29,017.63 = 11,467.50 : x
  2. Step 2: Convert to fraction form
    21,027.54/29,017.63 = 11,467.50/x
  3. Step 3: Cross multiply
    21,027.54x = 29,017.63 × 11,467.50
  4. Step 4: Simplify right side
    21,027.54x = 332,759,555.61
  5. Step 5: Solve for x
    x = 332,759,555.61/21,027.54
  6. Step 6: Final answer
    x = 15,824.94

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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.