Home / 18,877.09-26,049.04-10,379.00

Finding the Fourth Proportional to 18,877.09, 26,049.04 and 10,379.00

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Solution

The fourth proportional to 18,877.09, 26,049.04 and 10,379.00 is: 14,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.09 : 26,049.04 = 10,379.00 : x
  2. Step 2: Convert to fraction form
    18,877.09/26,049.04 = 10,379.00/x
  3. Step 3: Cross multiply
    18,877.09x = 26,049.04 × 10,379.00
  4. Step 4: Simplify right side
    18,877.09x = 270,362,855.91
  5. Step 5: Solve for x
    x = 270,362,855.91/18,877.09
  6. Step 6: Final answer
    x = 14,322.27

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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.