Home / 18,979.84-26,191.68-10,597.12

Finding the Fourth Proportional to 18,979.84, 26,191.68 and 10,597.12

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Solution

The fourth proportional to 18,979.84, 26,191.68 and 10,597.12 is: 14,623.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979.84 : 26,191.68 = 10,597.12 : x
  2. Step 2: Convert to fraction form
    18,979.84/26,191.68 = 10,597.12/x
  3. Step 3: Cross multiply
    18,979.84x = 26,191.68 × 10,597.12
  4. Step 4: Simplify right side
    18,979.84x = 277,556,375.96
  5. Step 5: Solve for x
    x = 277,556,375.96/18,979.84
  6. Step 6: Final answer
    x = 14,623.75

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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.