Home / 22,666.40-31,273.26-14,278.04

Finding the Fourth Proportional to 22,666.40, 31,273.26 and 14,278.04

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Solution

The fourth proportional to 22,666.40, 31,273.26 and 14,278.04 is: 19,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.40 : 31,273.26 = 14,278.04 : x
  2. Step 2: Convert to fraction form
    22,666.40/31,273.26 = 14,278.04/x
  3. Step 3: Cross multiply
    22,666.40x = 31,273.26 × 14,278.04
  4. Step 4: Simplify right side
    22,666.40x = 446,520,857.21
  5. Step 5: Solve for x
    x = 446,520,857.21/22,666.40
  6. Step 6: Final answer
    x = 19,699.68

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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.