Home / 14,795.31-20,418.14-8,507.69

Finding the Fourth Proportional to 14,795.31, 20,418.14 and 8,507.69

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Solution

The fourth proportional to 14,795.31, 20,418.14 and 8,507.69 is: 11,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.31 : 20,418.14 = 8,507.69 : x
  2. Step 2: Convert to fraction form
    14,795.31/20,418.14 = 8,507.69/x
  3. Step 3: Cross multiply
    14,795.31x = 20,418.14 × 8,507.69
  4. Step 4: Simplify right side
    14,795.31x = 173,711,205.50
  5. Step 5: Solve for x
    x = 173,711,205.50/14,795.31
  6. Step 6: Final answer
    x = 11,740.96

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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.