Home / 19,922.32-27,492.50-11,861.60

Finding the Fourth Proportional to 19,922.32, 27,492.50 and 11,861.60

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Solution

The fourth proportional to 19,922.32, 27,492.50 and 11,861.60 is: 16,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.32 : 27,492.50 = 11,861.60 : x
  2. Step 2: Convert to fraction form
    19,922.32/27,492.50 = 11,861.60/x
  3. Step 3: Cross multiply
    19,922.32x = 27,492.50 × 11,861.60
  4. Step 4: Simplify right side
    19,922.32x = 326,104,978.69
  5. Step 5: Solve for x
    x = 326,104,978.69/19,922.32
  6. Step 6: Final answer
    x = 16,368.83

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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.