Home / 18,947.70-26,147.97-10,450.13

Finding the Fourth Proportional to 18,947.70, 26,147.97 and 10,450.13

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Solution

The fourth proportional to 18,947.70, 26,147.97 and 10,450.13 is: 14,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.70 : 26,147.97 = 10,450.13 : x
  2. Step 2: Convert to fraction form
    18,947.70/26,147.97 = 10,450.13/x
  3. Step 3: Cross multiply
    18,947.70x = 26,147.97 × 10,450.13
  4. Step 4: Simplify right side
    18,947.70x = 273,249,555.00
  5. Step 5: Solve for x
    x = 273,249,555.00/18,947.70
  6. Step 6: Final answer
    x = 14,421.25

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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.