Home / 20,175.17-27,828.77-13,014.23

Finding the Fourth Proportional to 20,175.17, 27,828.77 and 13,014.23

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Solution

The fourth proportional to 20,175.17, 27,828.77 and 13,014.23 is: 17,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.17 : 27,828.77 = 13,014.23 : x
  2. Step 2: Convert to fraction form
    20,175.17/27,828.77 = 13,014.23/x
  3. Step 3: Cross multiply
    20,175.17x = 27,828.77 × 13,014.23
  4. Step 4: Simplify right side
    20,175.17x = 362,169,809.18
  5. Step 5: Solve for x
    x = 362,169,809.18/20,175.17
  6. Step 6: Final answer
    x = 17,951.27

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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.