Home / 23,918.08-33,005.76-13,308.64

Finding the Fourth Proportional to 23,918.08, 33,005.76 and 13,308.64

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Solution

The fourth proportional to 23,918.08, 33,005.76 and 13,308.64 is: 18,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,918.08 : 33,005.76 = 13,308.64 : x
  2. Step 2: Convert to fraction form
    23,918.08/33,005.76 = 13,308.64/x
  3. Step 3: Cross multiply
    23,918.08x = 33,005.76 × 13,308.64
  4. Step 4: Simplify right side
    23,918.08x = 439,261,777.77
  5. Step 5: Solve for x
    x = 439,261,777.77/23,918.08
  6. Step 6: Final answer
    x = 18,365.26

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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.