Home / 18,928.08-26,119.80-10,542.96

Finding the Fourth Proportional to 18,928.08, 26,119.80 and 10,542.96

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Solution

The fourth proportional to 18,928.08, 26,119.80 and 10,542.96 is: 14,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928.08 : 26,119.80 = 10,542.96 : x
  2. Step 2: Convert to fraction form
    18,928.08/26,119.80 = 10,542.96/x
  3. Step 3: Cross multiply
    18,928.08x = 26,119.80 × 10,542.96
  4. Step 4: Simplify right side
    18,928.08x = 275,380,006.61
  5. Step 5: Solve for x
    x = 275,380,006.61/18,928.08
  6. Step 6: Final answer
    x = 14,548.76

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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.