Home / 19,393.32-26,765.28-11,838.06

Finding the Fourth Proportional to 19,393.32, 26,765.28 and 11,838.06

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Solution

The fourth proportional to 19,393.32, 26,765.28 and 11,838.06 is: 16,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.32 : 26,765.28 = 11,838.06 : x
  2. Step 2: Convert to fraction form
    19,393.32/26,765.28 = 11,838.06/x
  3. Step 3: Cross multiply
    19,393.32x = 26,765.28 × 11,838.06
  4. Step 4: Simplify right side
    19,393.32x = 316,848,990.56
  5. Step 5: Solve for x
    x = 316,848,990.56/19,393.32
  6. Step 6: Final answer
    x = 16,338.05

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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.