Home / 19,336.92-26,685-10,953.42

Finding the Fourth Proportional to 19,336.92, 26,685 and 10,953.42

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Solution

The fourth proportional to 19,336.92, 26,685 and 10,953.42 is: 15,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.92 : 26,685 = 10,953.42 : x
  2. Step 2: Convert to fraction form
    19,336.92/26,685 = 10,953.42/x
  3. Step 3: Cross multiply
    19,336.92x = 26,685 × 10,953.42
  4. Step 4: Simplify right side
    19,336.92x = 292,292,012.70
  5. Step 5: Solve for x
    x = 292,292,012.70/19,336.92
  6. Step 6: Final answer
    x = 15,115.75

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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.