Home / 18,947.58-26,149.15-10,450.47

Finding the Fourth Proportional to 18,947.58, 26,149.15 and 10,450.47

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Solution

The fourth proportional to 18,947.58, 26,149.15 and 10,450.47 is: 14,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.58 : 26,149.15 = 10,450.47 : x
  2. Step 2: Convert to fraction form
    18,947.58/26,149.15 = 10,450.47/x
  3. Step 3: Cross multiply
    18,947.58x = 26,149.15 × 10,450.47
  4. Step 4: Simplify right side
    18,947.58x = 273,271,018.72
  5. Step 5: Solve for x
    x = 273,271,018.72/18,947.58
  6. Step 6: Final answer
    x = 14,422.48

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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.