Home / 14,825.89-20,464.93-9,164.98

Finding the Fourth Proportional to 14,825.89, 20,464.93 and 9,164.98

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Solution

The fourth proportional to 14,825.89, 20,464.93 and 9,164.98 is: 12,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.89 : 20,464.93 = 9,164.98 : x
  2. Step 2: Convert to fraction form
    14,825.89/20,464.93 = 9,164.98/x
  3. Step 3: Cross multiply
    14,825.89x = 20,464.93 × 9,164.98
  4. Step 4: Simplify right side
    14,825.89x = 187,560,674.15
  5. Step 5: Solve for x
    x = 187,560,674.15/14,825.89
  6. Step 6: Final answer
    x = 12,650.89

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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.