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Finding the Fourth Proportional to 14,393.96, 19,862.96 and 8,017.64

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Solution

The fourth proportional to 14,393.96, 19,862.96 and 8,017.64 is: 11,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.96 : 19,862.96 = 8,017.64 : x
  2. Step 2: Convert to fraction form
    14,393.96/19,862.96 = 8,017.64/x
  3. Step 3: Cross multiply
    14,393.96x = 19,862.96 × 8,017.64
  4. Step 4: Simplify right side
    14,393.96x = 159,254,062.61
  5. Step 5: Solve for x
    x = 159,254,062.61/14,393.96
  6. Step 6: Final answer
    x = 11,063.95

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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.