Home / 22,071.24-30,458.49-11,999.70

Finding the Fourth Proportional to 22,071.24, 30,458.49 and 11,999.70

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Solution

The fourth proportional to 22,071.24, 30,458.49 and 11,999.70 is: 16,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.24 : 30,458.49 = 11,999.70 : x
  2. Step 2: Convert to fraction form
    22,071.24/30,458.49 = 11,999.70/x
  3. Step 3: Cross multiply
    22,071.24x = 30,458.49 × 11,999.70
  4. Step 4: Simplify right side
    22,071.24x = 365,492,742.45
  5. Step 5: Solve for x
    x = 365,492,742.45/22,071.24
  6. Step 6: Final answer
    x = 16,559.68

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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.