Home / 14,274.56-19,680.01-11,712.94

Finding the Fourth Proportional to 14,274.56, 19,680.01 and 11,712.94

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Solution

The fourth proportional to 14,274.56, 19,680.01 and 11,712.94 is: 16,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.56 : 19,680.01 = 11,712.94 : x
  2. Step 2: Convert to fraction form
    14,274.56/19,680.01 = 11,712.94/x
  3. Step 3: Cross multiply
    14,274.56x = 19,680.01 × 11,712.94
  4. Step 4: Simplify right side
    14,274.56x = 230,510,697.85
  5. Step 5: Solve for x
    x = 230,510,697.85/14,274.56
  6. Step 6: Final answer
    x = 16,148.35

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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.