Home / 14,340.52-21,474.40-11,994.74

Finding the Fourth Proportional to 14,340.52, 21,474.40 and 11,994.74

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Solution

The fourth proportional to 14,340.52, 21,474.40 and 11,994.74 is: 17,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.52 : 21,474.40 = 11,994.74 : x
  2. Step 2: Convert to fraction form
    14,340.52/21,474.40 = 11,994.74/x
  3. Step 3: Cross multiply
    14,340.52x = 21,474.40 × 11,994.74
  4. Step 4: Simplify right side
    14,340.52x = 257,579,844.66
  5. Step 5: Solve for x
    x = 257,579,844.66/14,340.52
  6. Step 6: Final answer
    x = 17,961.68

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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.