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Finding the Fourth Proportional to 18,319.01, 25,264.63 and 14,080.33

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Solution

The fourth proportional to 18,319.01, 25,264.63 and 14,080.33 is: 19,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.01 : 25,264.63 = 14,080.33 : x
  2. Step 2: Convert to fraction form
    18,319.01/25,264.63 = 14,080.33/x
  3. Step 3: Cross multiply
    18,319.01x = 25,264.63 × 14,080.33
  4. Step 4: Simplify right side
    18,319.01x = 355,734,416.51
  5. Step 5: Solve for x
    x = 355,734,416.51/18,319.01
  6. Step 6: Final answer
    x = 19,418.87

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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.