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Finding the Fourth Proportional to 14,456.84, 19,950.36 and 8,404.92

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Solution

The fourth proportional to 14,456.84, 19,950.36 and 8,404.92 is: 11,598.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.84 : 19,950.36 = 8,404.92 : x
  2. Step 2: Convert to fraction form
    14,456.84/19,950.36 = 8,404.92/x
  3. Step 3: Cross multiply
    14,456.84x = 19,950.36 × 8,404.92
  4. Step 4: Simplify right side
    14,456.84x = 167,681,179.77
  5. Step 5: Solve for x
    x = 167,681,179.77/14,456.84
  6. Step 6: Final answer
    x = 11,598.74

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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.