Home / 18,271.47-27,345.24-11,604.77

Finding the Fourth Proportional to 18,271.47, 27,345.24 and 11,604.77

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Solution

The fourth proportional to 18,271.47, 27,345.24 and 11,604.77 is: 17,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.47 : 27,345.24 = 11,604.77 : x
  2. Step 2: Convert to fraction form
    18,271.47/27,345.24 = 11,604.77/x
  3. Step 3: Cross multiply
    18,271.47x = 27,345.24 × 11,604.77
  4. Step 4: Simplify right side
    18,271.47x = 317,335,026.04
  5. Step 5: Solve for x
    x = 317,335,026.04/18,271.47
  6. Step 6: Final answer
    x = 17,367.79

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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.