Home / 14,387.80-21,580.34-5,026.09

Finding the Fourth Proportional to 14,387.80, 21,580.34 and 5,026.09

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Solution

The fourth proportional to 14,387.80, 21,580.34 and 5,026.09 is: 7,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.80 : 21,580.34 = 5,026.09 : x
  2. Step 2: Convert to fraction form
    14,387.80/21,580.34 = 5,026.09/x
  3. Step 3: Cross multiply
    14,387.80x = 21,580.34 × 5,026.09
  4. Step 4: Simplify right side
    14,387.80x = 108,464,731.07
  5. Step 5: Solve for x
    x = 108,464,731.07/14,387.80
  6. Step 6: Final answer
    x = 7,538.66

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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.