Home / 18,972.63-26,181.81-10,474.25

Finding the Fourth Proportional to 18,972.63, 26,181.81 and 10,474.25

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Solution

The fourth proportional to 18,972.63, 26,181.81 and 10,474.25 is: 14,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.63 : 26,181.81 = 10,474.25 : x
  2. Step 2: Convert to fraction form
    18,972.63/26,181.81 = 10,474.25/x
  3. Step 3: Cross multiply
    18,972.63x = 26,181.81 × 10,474.25
  4. Step 4: Simplify right side
    18,972.63x = 274,234,692.48
  5. Step 5: Solve for x
    x = 274,234,692.48/18,972.63
  6. Step 6: Final answer
    x = 14,454.23

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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.