Home / 14,624.72-20,161.12-10,425.68

Finding the Fourth Proportional to 14,624.72, 20,161.12 and 10,425.68

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Solution

The fourth proportional to 14,624.72, 20,161.12 and 10,425.68 is: 14,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.72 : 20,161.12 = 10,425.68 : x
  2. Step 2: Convert to fraction form
    14,624.72/20,161.12 = 10,425.68/x
  3. Step 3: Cross multiply
    14,624.72x = 20,161.12 × 10,425.68
  4. Step 4: Simplify right side
    14,624.72x = 210,193,385.56
  5. Step 5: Solve for x
    x = 210,193,385.56/14,624.72
  6. Step 6: Final answer
    x = 14,372.47

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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.