Home / 13,541.68-18,687.92-7,573.22

Finding the Fourth Proportional to 13,541.68, 18,687.92 and 7,573.22

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Solution

The fourth proportional to 13,541.68, 18,687.92 and 7,573.22 is: 10,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.68 : 18,687.92 = 7,573.22 : x
  2. Step 2: Convert to fraction form
    13,541.68/18,687.92 = 7,573.22/x
  3. Step 3: Cross multiply
    13,541.68x = 18,687.92 × 7,573.22
  4. Step 4: Simplify right side
    13,541.68x = 141,527,636.06
  5. Step 5: Solve for x
    x = 141,527,636.06/13,541.68
  6. Step 6: Final answer
    x = 10,451.27

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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.