Home / 27,216.75-40,812.81-9,687.04

Finding the Fourth Proportional to 27,216.75, 40,812.81 and 9,687.04

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Solution

The fourth proportional to 27,216.75, 40,812.81 and 9,687.04 is: 14,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.75 : 40,812.81 = 9,687.04 : x
  2. Step 2: Convert to fraction form
    27,216.75/40,812.81 = 9,687.04/x
  3. Step 3: Cross multiply
    27,216.75x = 40,812.81 × 9,687.04
  4. Step 4: Simplify right side
    27,216.75x = 395,355,322.98
  5. Step 5: Solve for x
    x = 395,355,322.98/27,216.75
  6. Step 6: Final answer
    x = 14,526.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.