Home / 19,374.32-26,737.44-11,416.88

Finding the Fourth Proportional to 19,374.32, 26,737.44 and 11,416.88

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Solution

The fourth proportional to 19,374.32, 26,737.44 and 11,416.88 is: 15,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.32 : 26,737.44 = 11,416.88 : x
  2. Step 2: Convert to fraction form
    19,374.32/26,737.44 = 11,416.88/x
  3. Step 3: Cross multiply
    19,374.32x = 26,737.44 × 11,416.88
  4. Step 4: Simplify right side
    19,374.32x = 305,258,143.99
  5. Step 5: Solve for x
    x = 305,258,143.99/19,374.32
  6. Step 6: Final answer
    x = 15,755.81

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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.