Home / 14,604.88-20,148.36-8,632.72

Finding the Fourth Proportional to 14,604.88, 20,148.36 and 8,632.72

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Solution

The fourth proportional to 14,604.88, 20,148.36 and 8,632.72 is: 11,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.88 : 20,148.36 = 8,632.72 : x
  2. Step 2: Convert to fraction form
    14,604.88/20,148.36 = 8,632.72/x
  3. Step 3: Cross multiply
    14,604.88x = 20,148.36 × 8,632.72
  4. Step 4: Simplify right side
    14,604.88x = 173,935,150.34
  5. Step 5: Solve for x
    x = 173,935,150.34/14,604.88
  6. Step 6: Final answer
    x = 11,909.39

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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.