Home / 18,924.57-26,118.05-12,207.51

Finding the Fourth Proportional to 18,924.57, 26,118.05 and 12,207.51

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Solution

The fourth proportional to 18,924.57, 26,118.05 and 12,207.51 is: 16,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.57 : 26,118.05 = 12,207.51 : x
  2. Step 2: Convert to fraction form
    18,924.57/26,118.05 = 12,207.51/x
  3. Step 3: Cross multiply
    18,924.57x = 26,118.05 × 12,207.51
  4. Step 4: Simplify right side
    18,924.57x = 318,836,295.52
  5. Step 5: Solve for x
    x = 318,836,295.52/18,924.57
  6. Step 6: Final answer
    x = 16,847.74

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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.