Home / 21,055.06-29,056.22-11,623.62

Finding the Fourth Proportional to 21,055.06, 29,056.22 and 11,623.62

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Solution

The fourth proportional to 21,055.06, 29,056.22 and 11,623.62 is: 16,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.06 : 29,056.22 = 11,623.62 : x
  2. Step 2: Convert to fraction form
    21,055.06/29,056.22 = 11,623.62/x
  3. Step 3: Cross multiply
    21,055.06x = 29,056.22 × 11,623.62
  4. Step 4: Simplify right side
    21,055.06x = 337,738,459.92
  5. Step 5: Solve for x
    x = 337,738,459.92/21,055.06
  6. Step 6: Final answer
    x = 16,040.73

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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.