Home / 19,200.28-26,443.40-16,546.72

Finding the Fourth Proportional to 19,200.28, 26,443.40 and 16,546.72

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Solution

The fourth proportional to 19,200.28, 26,443.40 and 16,546.72 is: 22,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.28 : 26,443.40 = 16,546.72 : x
  2. Step 2: Convert to fraction form
    19,200.28/26,443.40 = 16,546.72/x
  3. Step 3: Cross multiply
    19,200.28x = 26,443.40 × 16,546.72
  4. Step 4: Simplify right side
    19,200.28x = 437,551,535.65
  5. Step 5: Solve for x
    x = 437,551,535.65/19,200.28
  6. Step 6: Final answer
    x = 22,788.81

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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.