Home / 20,214.99-27,897.84-11,262.18

Finding the Fourth Proportional to 20,214.99, 27,897.84 and 11,262.18

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Solution

The fourth proportional to 20,214.99, 27,897.84 and 11,262.18 is: 15,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.99 : 27,897.84 = 11,262.18 : x
  2. Step 2: Convert to fraction form
    20,214.99/27,897.84 = 11,262.18/x
  3. Step 3: Cross multiply
    20,214.99x = 27,897.84 × 11,262.18
  4. Step 4: Simplify right side
    20,214.99x = 314,190,495.69
  5. Step 5: Solve for x
    x = 314,190,495.69/20,214.99
  6. Step 6: Final answer
    x = 15,542.45

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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.