Home / 15,842.73-21,861.50-9,468.07

Finding the Fourth Proportional to 15,842.73, 21,861.50 and 9,468.07

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Solution

The fourth proportional to 15,842.73, 21,861.50 and 9,468.07 is: 13,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,842.73 : 21,861.50 = 9,468.07 : x
  2. Step 2: Convert to fraction form
    15,842.73/21,861.50 = 9,468.07/x
  3. Step 3: Cross multiply
    15,842.73x = 21,861.50 × 9,468.07
  4. Step 4: Simplify right side
    15,842.73x = 206,986,110.31
  5. Step 5: Solve for x
    x = 206,986,110.31/15,842.73
  6. Step 6: Final answer
    x = 13,065.05

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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.