Home / 17,343.65-23,914.28-12,812.88

Finding the Fourth Proportional to 17,343.65, 23,914.28 and 12,812.88

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Solution

The fourth proportional to 17,343.65, 23,914.28 and 12,812.88 is: 17,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,343.65 : 23,914.28 = 12,812.88 : x
  2. Step 2: Convert to fraction form
    17,343.65/23,914.28 = 12,812.88/x
  3. Step 3: Cross multiply
    17,343.65x = 23,914.28 × 12,812.88
  4. Step 4: Simplify right side
    17,343.65x = 306,410,950.06
  5. Step 5: Solve for x
    x = 306,410,950.06/17,343.65
  6. Step 6: Final answer
    x = 17,667.04

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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.