Home / 18,127.24-25,029.75-11,756.86

Finding the Fourth Proportional to 18,127.24, 25,029.75 and 11,756.86

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Solution

The fourth proportional to 18,127.24, 25,029.75 and 11,756.86 is: 16,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.24 : 25,029.75 = 11,756.86 : x
  2. Step 2: Convert to fraction form
    18,127.24/25,029.75 = 11,756.86/x
  3. Step 3: Cross multiply
    18,127.24x = 25,029.75 × 11,756.86
  4. Step 4: Simplify right side
    18,127.24x = 294,271,266.59
  5. Step 5: Solve for x
    x = 294,271,266.59/18,127.24
  6. Step 6: Final answer
    x = 16,233.65

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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.