Home / 21,913.06-32,857.88-11,372.46

Finding the Fourth Proportional to 21,913.06, 32,857.88 and 11,372.46

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Solution

The fourth proportional to 21,913.06, 32,857.88 and 11,372.46 is: 17,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913.06 : 32,857.88 = 11,372.46 : x
  2. Step 2: Convert to fraction form
    21,913.06/32,857.88 = 11,372.46/x
  3. Step 3: Cross multiply
    21,913.06x = 32,857.88 × 11,372.46
  4. Step 4: Simplify right side
    21,913.06x = 373,674,925.98
  5. Step 5: Solve for x
    x = 373,674,925.98/21,913.06
  6. Step 6: Final answer
    x = 17,052.61

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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.