Home / 18,872.25-26,043.72-10,488.75

Finding the Fourth Proportional to 18,872.25, 26,043.72 and 10,488.75

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Solution

The fourth proportional to 18,872.25, 26,043.72 and 10,488.75 is: 14,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.25 : 26,043.72 = 10,488.75 : x
  2. Step 2: Convert to fraction form
    18,872.25/26,043.72 = 10,488.75/x
  3. Step 3: Cross multiply
    18,872.25x = 26,043.72 × 10,488.75
  4. Step 4: Simplify right side
    18,872.25x = 273,166,068.15
  5. Step 5: Solve for x
    x = 273,166,068.15/18,872.25
  6. Step 6: Final answer
    x = 14,474.48

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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.