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Finding the Fourth Proportional to 14,374.47, 19,836.60 and 8,000.95

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Solution

The fourth proportional to 14,374.47, 19,836.60 and 8,000.95 is: 11,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374.47 : 19,836.60 = 8,000.95 : x
  2. Step 2: Convert to fraction form
    14,374.47/19,836.60 = 8,000.95/x
  3. Step 3: Cross multiply
    14,374.47x = 19,836.60 × 8,000.95
  4. Step 4: Simplify right side
    14,374.47x = 158,711,595.18
  5. Step 5: Solve for x
    x = 158,711,595.18/14,374.47
  6. Step 6: Final answer
    x = 11,041.21

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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.