Home / 13,494.87-18,622.98-7,526.43

Finding the Fourth Proportional to 13,494.87, 18,622.98 and 7,526.43

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Solution

The fourth proportional to 13,494.87, 18,622.98 and 7,526.43 is: 10,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.87 : 18,622.98 = 7,526.43 : x
  2. Step 2: Convert to fraction form
    13,494.87/18,622.98 = 7,526.43/x
  3. Step 3: Cross multiply
    13,494.87x = 18,622.98 × 7,526.43
  4. Step 4: Simplify right side
    13,494.87x = 140,164,555.36
  5. Step 5: Solve for x
    x = 140,164,555.36/13,494.87
  6. Step 6: Final answer
    x = 10,386.51

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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.