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Finding the Fourth Proportional to 14,959.75, 22,439.63 and 4,015.75

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Solution

The fourth proportional to 14,959.75, 22,439.63 and 4,015.75 is: 6,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.75 : 22,439.63 = 4,015.75 : x
  2. Step 2: Convert to fraction form
    14,959.75/22,439.63 = 4,015.75/x
  3. Step 3: Cross multiply
    14,959.75x = 22,439.63 × 4,015.75
  4. Step 4: Simplify right side
    14,959.75x = 90,111,944.17
  5. Step 5: Solve for x
    x = 90,111,944.17/14,959.75
  6. Step 6: Final answer
    x = 6,023.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.