Home / 19,580.61-27,021.26-10,628.11

Finding the Fourth Proportional to 19,580.61, 27,021.26 and 10,628.11

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Solution

The fourth proportional to 19,580.61, 27,021.26 and 10,628.11 is: 14,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.61 : 27,021.26 = 10,628.11 : x
  2. Step 2: Convert to fraction form
    19,580.61/27,021.26 = 10,628.11/x
  3. Step 3: Cross multiply
    19,580.61x = 27,021.26 × 10,628.11
  4. Step 4: Simplify right side
    19,580.61x = 287,184,923.62
  5. Step 5: Solve for x
    x = 287,184,923.62/19,580.61
  6. Step 6: Final answer
    x = 14,666.80

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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.