Home / 22,027.12-30,397.64-11,955.65

Finding the Fourth Proportional to 22,027.12, 30,397.64 and 11,955.65

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Solution

The fourth proportional to 22,027.12, 30,397.64 and 11,955.65 is: 16,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,027.12 : 30,397.64 = 11,955.65 : x
  2. Step 2: Convert to fraction form
    22,027.12/30,397.64 = 11,955.65/x
  3. Step 3: Cross multiply
    22,027.12x = 30,397.64 × 11,955.65
  4. Step 4: Simplify right side
    22,027.12x = 363,423,544.67
  5. Step 5: Solve for x
    x = 363,423,544.67/22,027.12
  6. Step 6: Final answer
    x = 16,498.91

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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.