Home / 14,130.05-19,499.70-7,757.24

Finding the Fourth Proportional to 14,130.05, 19,499.70 and 7,757.24

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Solution

The fourth proportional to 14,130.05, 19,499.70 and 7,757.24 is: 10,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.05 : 19,499.70 = 7,757.24 : x
  2. Step 2: Convert to fraction form
    14,130.05/19,499.70 = 7,757.24/x
  3. Step 3: Cross multiply
    14,130.05x = 19,499.70 × 7,757.24
  4. Step 4: Simplify right side
    14,130.05x = 151,263,755.33
  5. Step 5: Solve for x
    x = 151,263,755.33/14,130.05
  6. Step 6: Final answer
    x = 10,705.11

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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.