Home / 18,947.01-26,145.72-10,449.23

Finding the Fourth Proportional to 18,947.01, 26,145.72 and 10,449.23

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Solution

The fourth proportional to 18,947.01, 26,145.72 and 10,449.23 is: 14,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.01 : 26,145.72 = 10,449.23 : x
  2. Step 2: Convert to fraction form
    18,947.01/26,145.72 = 10,449.23/x
  3. Step 3: Cross multiply
    18,947.01x = 26,145.72 × 10,449.23
  4. Step 4: Simplify right side
    18,947.01x = 273,202,550.25
  5. Step 5: Solve for x
    x = 273,202,550.25/18,947.01
  6. Step 6: Final answer
    x = 14,419.30

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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.