Home / 19,498.77-26,908.57-11,000.87

Finding the Fourth Proportional to 19,498.77, 26,908.57 and 11,000.87

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Solution

The fourth proportional to 19,498.77, 26,908.57 and 11,000.87 is: 15,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.77 : 26,908.57 = 11,000.87 : x
  2. Step 2: Convert to fraction form
    19,498.77/26,908.57 = 11,000.87/x
  3. Step 3: Cross multiply
    19,498.77x = 26,908.57 × 11,000.87
  4. Step 4: Simplify right side
    19,498.77x = 296,017,585.68
  5. Step 5: Solve for x
    x = 296,017,585.68/19,498.77
  6. Step 6: Final answer
    x = 15,181.34

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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.