Home / 13,292.68-18,343.33-7,623.49

Finding the Fourth Proportional to 13,292.68, 18,343.33 and 7,623.49

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Solution

The fourth proportional to 13,292.68, 18,343.33 and 7,623.49 is: 10,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.68 : 18,343.33 = 7,623.49 : x
  2. Step 2: Convert to fraction form
    13,292.68/18,343.33 = 7,623.49/x
  3. Step 3: Cross multiply
    13,292.68x = 18,343.33 × 7,623.49
  4. Step 4: Simplify right side
    13,292.68x = 139,840,192.82
  5. Step 5: Solve for x
    x = 139,840,192.82/13,292.68
  6. Step 6: Final answer
    x = 10,520.09

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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.