Home / 18,805.12-26,069.86-17,806.42

Finding the Fourth Proportional to 18,805.12, 26,069.86 and 17,806.42

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Solution

The fourth proportional to 18,805.12, 26,069.86 and 17,806.42 is: 24,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.12 : 26,069.86 = 17,806.42 : x
  2. Step 2: Convert to fraction form
    18,805.12/26,069.86 = 17,806.42/x
  3. Step 3: Cross multiply
    18,805.12x = 26,069.86 × 17,806.42
  4. Step 4: Simplify right side
    18,805.12x = 464,210,876.50
  5. Step 5: Solve for x
    x = 464,210,876.50/18,805.12
  6. Step 6: Final answer
    x = 24,685.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.