Home / 20,214.77-27,897.23-11,262.27

Finding the Fourth Proportional to 20,214.77, 27,897.23 and 11,262.27

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Solution

The fourth proportional to 20,214.77, 27,897.23 and 11,262.27 is: 15,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.77 : 27,897.23 = 11,262.27 : x
  2. Step 2: Convert to fraction form
    20,214.77/27,897.23 = 11,262.27/x
  3. Step 3: Cross multiply
    20,214.77x = 27,897.23 × 11,262.27
  4. Step 4: Simplify right side
    20,214.77x = 314,186,136.51
  5. Step 5: Solve for x
    x = 314,186,136.51/20,214.77
  6. Step 6: Final answer
    x = 15,542.40

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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.