Home / 18,874.36-26,046.66-10,491.40

Finding the Fourth Proportional to 18,874.36, 26,046.66 and 10,491.40

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Solution

The fourth proportional to 18,874.36, 26,046.66 and 10,491.40 is: 14,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,874.36 : 26,046.66 = 10,491.40 : x
  2. Step 2: Convert to fraction form
    18,874.36/26,046.66 = 10,491.40/x
  3. Step 3: Cross multiply
    18,874.36x = 26,046.66 × 10,491.40
  4. Step 4: Simplify right side
    18,874.36x = 273,265,928.72
  5. Step 5: Solve for x
    x = 273,265,928.72/18,874.36
  6. Step 6: Final answer
    x = 14,478.16

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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.