Home / 14,820.48-20,458.56-9,234.24

Finding the Fourth Proportional to 14,820.48, 20,458.56 and 9,234.24

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Solution

The fourth proportional to 14,820.48, 20,458.56 and 9,234.24 is: 12,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.48 : 20,458.56 = 9,234.24 : x
  2. Step 2: Convert to fraction form
    14,820.48/20,458.56 = 9,234.24/x
  3. Step 3: Cross multiply
    14,820.48x = 20,458.56 × 9,234.24
  4. Step 4: Simplify right side
    14,820.48x = 188,919,253.09
  5. Step 5: Solve for x
    x = 188,919,253.09/14,820.48
  6. Step 6: Final answer
    x = 12,747.18

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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.