Home / 19,138.57-26,411.79-10,524.30

Finding the Fourth Proportional to 19,138.57, 26,411.79 and 10,524.30

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Solution

The fourth proportional to 19,138.57, 26,411.79 and 10,524.30 is: 14,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.57 : 26,411.79 = 10,524.30 : x
  2. Step 2: Convert to fraction form
    19,138.57/26,411.79 = 10,524.30/x
  3. Step 3: Cross multiply
    19,138.57x = 26,411.79 × 10,524.30
  4. Step 4: Simplify right side
    19,138.57x = 277,965,601.50
  5. Step 5: Solve for x
    x = 277,965,601.50/19,138.57
  6. Step 6: Final answer
    x = 14,523.85

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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.