Home / 19,484.92-26,891.66-12,776.20

Finding the Fourth Proportional to 19,484.92, 26,891.66 and 12,776.20

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Solution

The fourth proportional to 19,484.92, 26,891.66 and 12,776.20 is: 17,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.92 : 26,891.66 = 12,776.20 : x
  2. Step 2: Convert to fraction form
    19,484.92/26,891.66 = 12,776.20/x
  3. Step 3: Cross multiply
    19,484.92x = 26,891.66 × 12,776.20
  4. Step 4: Simplify right side
    19,484.92x = 343,573,226.49
  5. Step 5: Solve for x
    x = 343,573,226.49/19,484.92
  6. Step 6: Final answer
    x = 17,632.78

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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.