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Finding the Fourth Proportional to 14,435.92, 19,920.14 and 8,062.00

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Solution

The fourth proportional to 14,435.92, 19,920.14 and 8,062.00 is: 11,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.92 : 19,920.14 = 8,062.00 : x
  2. Step 2: Convert to fraction form
    14,435.92/19,920.14 = 8,062.00/x
  3. Step 3: Cross multiply
    14,435.92x = 19,920.14 × 8,062.00
  4. Step 4: Simplify right side
    14,435.92x = 160,596,154.15
  5. Step 5: Solve for x
    x = 160,596,154.15/14,435.92
  6. Step 6: Final answer
    x = 11,124.76

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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.