Home / 20,254.07-27,946.14-11,751.27

Finding the Fourth Proportional to 20,254.07, 27,946.14 and 11,751.27

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Solution

The fourth proportional to 20,254.07, 27,946.14 and 11,751.27 is: 16,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.07 : 27,946.14 = 11,751.27 : x
  2. Step 2: Convert to fraction form
    20,254.07/27,946.14 = 11,751.27/x
  3. Step 3: Cross multiply
    20,254.07x = 27,946.14 × 11,751.27
  4. Step 4: Simplify right side
    20,254.07x = 328,402,487.73
  5. Step 5: Solve for x
    x = 328,402,487.73/20,254.07
  6. Step 6: Final answer
    x = 16,214.15

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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.