Home / 23,179.69-31,987.40-14,101.68

Finding the Fourth Proportional to 23,179.69, 31,987.40 and 14,101.68

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Solution

The fourth proportional to 23,179.69, 31,987.40 and 14,101.68 is: 19,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.69 : 31,987.40 = 14,101.68 : x
  2. Step 2: Convert to fraction form
    23,179.69/31,987.40 = 14,101.68/x
  3. Step 3: Cross multiply
    23,179.69x = 31,987.40 × 14,101.68
  4. Step 4: Simplify right side
    23,179.69x = 451,076,078.83
  5. Step 5: Solve for x
    x = 451,076,078.83/23,179.69
  6. Step 6: Final answer
    x = 19,459.97

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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.