Home / 26,074.08-39,081.68-12,935.84

Finding the Fourth Proportional to 26,074.08, 39,081.68 and 12,935.84

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Solution

The fourth proportional to 26,074.08, 39,081.68 and 12,935.84 is: 19,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,074.08 : 39,081.68 = 12,935.84 : x
  2. Step 2: Convert to fraction form
    26,074.08/39,081.68 = 12,935.84/x
  3. Step 3: Cross multiply
    26,074.08x = 39,081.68 × 12,935.84
  4. Step 4: Simplify right side
    26,074.08x = 505,554,359.41
  5. Step 5: Solve for x
    x = 505,554,359.41/26,074.08
  6. Step 6: Final answer
    x = 19,389.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.