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Finding the Fourth Proportional to 14,027.58, 19,365.08 and 8,724.11

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Solution

The fourth proportional to 14,027.58, 19,365.08 and 8,724.11 is: 12,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.58 : 19,365.08 = 8,724.11 : x
  2. Step 2: Convert to fraction form
    14,027.58/19,365.08 = 8,724.11/x
  3. Step 3: Cross multiply
    14,027.58x = 19,365.08 × 8,724.11
  4. Step 4: Simplify right side
    14,027.58x = 168,943,088.08
  5. Step 5: Solve for x
    x = 168,943,088.08/14,027.58
  6. Step 6: Final answer
    x = 12,043.64

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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.