Home / 21,917.10-32,875.65-14,131.38

Finding the Fourth Proportional to 21,917.10, 32,875.65 and 14,131.38

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Solution

The fourth proportional to 21,917.10, 32,875.65 and 14,131.38 is: 21,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,917.10 : 32,875.65 = 14,131.38 : x
  2. Step 2: Convert to fraction form
    21,917.10/32,875.65 = 14,131.38/x
  3. Step 3: Cross multiply
    21,917.10x = 32,875.65 × 14,131.38
  4. Step 4: Simplify right side
    21,917.10x = 464,578,302.90
  5. Step 5: Solve for x
    x = 464,578,302.90/21,917.10
  6. Step 6: Final answer
    x = 21,197.07

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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.