Home / 19,432.32-26,819.60-11,883.12

Finding the Fourth Proportional to 19,432.32, 26,819.60 and 11,883.12

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Solution

The fourth proportional to 19,432.32, 26,819.60 and 11,883.12 is: 16,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.32 : 26,819.60 = 11,883.12 : x
  2. Step 2: Convert to fraction form
    19,432.32/26,819.60 = 11,883.12/x
  3. Step 3: Cross multiply
    19,432.32x = 26,819.60 × 11,883.12
  4. Step 4: Simplify right side
    19,432.32x = 318,700,525.15
  5. Step 5: Solve for x
    x = 318,700,525.15/19,432.32
  6. Step 6: Final answer
    x = 16,400.54

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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.