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Finding the Fourth Proportional to 11,953.90, 17,854.37 and 10,826.48

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Solution

The fourth proportional to 11,953.90, 17,854.37 and 10,826.48 is: 16,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.90 : 17,854.37 = 10,826.48 : x
  2. Step 2: Convert to fraction form
    11,953.90/17,854.37 = 10,826.48/x
  3. Step 3: Cross multiply
    11,953.90x = 17,854.37 × 10,826.48
  4. Step 4: Simplify right side
    11,953.90x = 193,299,925.59
  5. Step 5: Solve for x
    x = 193,299,925.59/11,953.90
  6. Step 6: Final answer
    x = 16,170.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.