Home / 21,942.40-32,913.60-17,568.40

Finding the Fourth Proportional to 21,942.40, 32,913.60 and 17,568.40

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Solution

The fourth proportional to 21,942.40, 32,913.60 and 17,568.40 is: 26,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.40 : 32,913.60 = 17,568.40 : x
  2. Step 2: Convert to fraction form
    21,942.40/32,913.60 = 17,568.40/x
  3. Step 3: Cross multiply
    21,942.40x = 32,913.60 × 17,568.40
  4. Step 4: Simplify right side
    21,942.40x = 578,239,290.24
  5. Step 5: Solve for x
    x = 578,239,290.24/21,942.40
  6. Step 6: Final answer
    x = 26,352.60

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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.