Home / 23,979.35-33,090.85-13,907.15

Finding the Fourth Proportional to 23,979.35, 33,090.85 and 13,907.15

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Solution

The fourth proportional to 23,979.35, 33,090.85 and 13,907.15 is: 19,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.35 : 33,090.85 = 13,907.15 : x
  2. Step 2: Convert to fraction form
    23,979.35/33,090.85 = 13,907.15/x
  3. Step 3: Cross multiply
    23,979.35x = 33,090.85 × 13,907.15
  4. Step 4: Simplify right side
    23,979.35x = 460,199,390.60
  5. Step 5: Solve for x
    x = 460,199,390.60/23,979.35
  6. Step 6: Final answer
    x = 19,191.49

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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.