Home / 13,063.23-18,026.82-7,755.03

Finding the Fourth Proportional to 13,063.23, 18,026.82 and 7,755.03

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Solution

The fourth proportional to 13,063.23, 18,026.82 and 7,755.03 is: 10,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.23 : 18,026.82 = 7,755.03 : x
  2. Step 2: Convert to fraction form
    13,063.23/18,026.82 = 7,755.03/x
  3. Step 3: Cross multiply
    13,063.23x = 18,026.82 × 7,755.03
  4. Step 4: Simplify right side
    13,063.23x = 139,798,529.90
  5. Step 5: Solve for x
    x = 139,798,529.90/13,063.23
  6. Step 6: Final answer
    x = 10,701.68

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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.