Home / 14,461.20-19,956.36-8,173.56

Finding the Fourth Proportional to 14,461.20, 19,956.36 and 8,173.56

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Solution

The fourth proportional to 14,461.20, 19,956.36 and 8,173.56 is: 11,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461.20 : 19,956.36 = 8,173.56 : x
  2. Step 2: Convert to fraction form
    14,461.20/19,956.36 = 8,173.56/x
  3. Step 3: Cross multiply
    14,461.20x = 19,956.36 × 8,173.56
  4. Step 4: Simplify right side
    14,461.20x = 163,114,505.84
  5. Step 5: Solve for x
    x = 163,114,505.84/14,461.20
  6. Step 6: Final answer
    x = 11,279.46

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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.