Home / 23,918.49-33,004.80-13,305.60

Finding the Fourth Proportional to 23,918.49, 33,004.80 and 13,305.60

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Solution

The fourth proportional to 23,918.49, 33,004.80 and 13,305.60 is: 18,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,918.49 : 33,004.80 = 13,305.60 : x
  2. Step 2: Convert to fraction form
    23,918.49/33,004.80 = 13,305.60/x
  3. Step 3: Cross multiply
    23,918.49x = 33,004.80 × 13,305.60
  4. Step 4: Simplify right side
    23,918.49x = 439,148,666.88
  5. Step 5: Solve for x
    x = 439,148,666.88/23,918.49
  6. Step 6: Final answer
    x = 18,360.22

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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.