Home / 18,393.68-25,383.88-10,436.24

Finding the Fourth Proportional to 18,393.68, 25,383.88 and 10,436.24

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Solution

The fourth proportional to 18,393.68, 25,383.88 and 10,436.24 is: 14,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.68 : 25,383.88 = 10,436.24 : x
  2. Step 2: Convert to fraction form
    18,393.68/25,383.88 = 10,436.24/x
  3. Step 3: Cross multiply
    18,393.68x = 25,383.88 × 10,436.24
  4. Step 4: Simplify right side
    18,393.68x = 264,912,340.32
  5. Step 5: Solve for x
    x = 264,912,340.32/18,393.68
  6. Step 6: Final answer
    x = 14,402.35

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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.