Home / 20,007.09-27,576.86-14,188.14

Finding the Fourth Proportional to 20,007.09, 27,576.86 and 14,188.14

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Solution

The fourth proportional to 20,007.09, 27,576.86 and 14,188.14 is: 19,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.09 : 27,576.86 = 14,188.14 : x
  2. Step 2: Convert to fraction form
    20,007.09/27,576.86 = 14,188.14/x
  3. Step 3: Cross multiply
    20,007.09x = 27,576.86 × 14,188.14
  4. Step 4: Simplify right side
    20,007.09x = 391,264,279.50
  5. Step 5: Solve for x
    x = 391,264,279.50/20,007.09
  6. Step 6: Final answer
    x = 19,556.28

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1.5x scale

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.