Home / 14,748.26-20,354.46-8,460.50

Finding the Fourth Proportional to 14,748.26, 20,354.46 and 8,460.50

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Solution

The fourth proportional to 14,748.26, 20,354.46 and 8,460.50 is: 11,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.26 : 20,354.46 = 8,460.50 : x
  2. Step 2: Convert to fraction form
    14,748.26/20,354.46 = 8,460.50/x
  3. Step 3: Cross multiply
    14,748.26x = 20,354.46 × 8,460.50
  4. Step 4: Simplify right side
    14,748.26x = 172,208,908.83
  5. Step 5: Solve for x
    x = 172,208,908.83/14,748.26
  6. Step 6: Final answer
    x = 11,676.56

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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.