Home / 21,967.81-32,869.40-13,050.62

Finding the Fourth Proportional to 21,967.81, 32,869.40 and 13,050.62

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Solution

The fourth proportional to 21,967.81, 32,869.40 and 13,050.62 is: 19,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.81 : 32,869.40 = 13,050.62 : x
  2. Step 2: Convert to fraction form
    21,967.81/32,869.40 = 13,050.62/x
  3. Step 3: Cross multiply
    21,967.81x = 32,869.40 × 13,050.62
  4. Step 4: Simplify right side
    21,967.81x = 428,965,942.69
  5. Step 5: Solve for x
    x = 428,965,942.69/21,967.81
  6. Step 6: Final answer
    x = 19,527.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.