Home / 18,946.57-26,145.66-10,449.05

Finding the Fourth Proportional to 18,946.57, 26,145.66 and 10,449.05

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Solution

The fourth proportional to 18,946.57, 26,145.66 and 10,449.05 is: 14,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.57 : 26,145.66 = 10,449.05 : x
  2. Step 2: Convert to fraction form
    18,946.57/26,145.66 = 10,449.05/x
  3. Step 3: Cross multiply
    18,946.57x = 26,145.66 × 10,449.05
  4. Step 4: Simplify right side
    18,946.57x = 273,197,308.62
  5. Step 5: Solve for x
    x = 273,197,308.62/18,946.57
  6. Step 6: Final answer
    x = 14,419.35

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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.