Home / 18,342.18-27,521.64-11,332.98

Finding the Fourth Proportional to 18,342.18, 27,521.64 and 11,332.98

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Solution

The fourth proportional to 18,342.18, 27,521.64 and 11,332.98 is: 17,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.18 : 27,521.64 = 11,332.98 : x
  2. Step 2: Convert to fraction form
    18,342.18/27,521.64 = 11,332.98/x
  3. Step 3: Cross multiply
    18,342.18x = 27,521.64 × 11,332.98
  4. Step 4: Simplify right side
    18,342.18x = 311,902,195.69
  5. Step 5: Solve for x
    x = 311,902,195.69/18,342.18
  6. Step 6: Final answer
    x = 17,004.64

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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.