Home / 21,055.66-29,056.04-11,624.02

Finding the Fourth Proportional to 21,055.66, 29,056.04 and 11,624.02

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Solution

The fourth proportional to 21,055.66, 29,056.04 and 11,624.02 is: 16,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055.66 : 29,056.04 = 11,624.02 : x
  2. Step 2: Convert to fraction form
    21,055.66/29,056.04 = 11,624.02/x
  3. Step 3: Cross multiply
    21,055.66x = 29,056.04 × 11,624.02
  4. Step 4: Simplify right side
    21,055.66x = 337,747,990.08
  5. Step 5: Solve for x
    x = 337,747,990.08/21,055.66
  6. Step 6: Final answer
    x = 16,040.72

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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.