Home / 55,658.07-83,490.45-18,222.09

Finding the Fourth Proportional to 55,658.07, 83,490.45 and 18,222.09

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Solution

The fourth proportional to 55,658.07, 83,490.45 and 18,222.09 is: 27,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658.07 : 83,490.45 = 18,222.09 : x
  2. Step 2: Convert to fraction form
    55,658.07/83,490.45 = 18,222.09/x
  3. Step 3: Cross multiply
    55,658.07x = 83,490.45 × 18,222.09
  4. Step 4: Simplify right side
    55,658.07x = 1,521,370,494.04
  5. Step 5: Solve for x
    x = 1,521,370,494.04/55,658.07
  6. Step 6: Final answer
    x = 27,334.23

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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.