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Finding the Fourth Proportional to 18,957.88, 26,151.96 and 14,473.86

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Solution

The fourth proportional to 18,957.88, 26,151.96 and 14,473.86 is: 19,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957.88 : 26,151.96 = 14,473.86 : x
  2. Step 2: Convert to fraction form
    18,957.88/26,151.96 = 14,473.86/x
  3. Step 3: Cross multiply
    18,957.88x = 26,151.96 × 14,473.86
  4. Step 4: Simplify right side
    18,957.88x = 378,519,807.77
  5. Step 5: Solve for x
    x = 378,519,807.77/18,957.88
  6. Step 6: Final answer
    x = 19,966.36

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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.