Home / 35,519.72-53,265.62-13,320.99

Finding the Fourth Proportional to 35,519.72, 53,265.62 and 13,320.99

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Solution

The fourth proportional to 35,519.72, 53,265.62 and 13,320.99 is: 19,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,519.72 : 53,265.62 = 13,320.99 : x
  2. Step 2: Convert to fraction form
    35,519.72/53,265.62 = 13,320.99/x
  3. Step 3: Cross multiply
    35,519.72x = 53,265.62 × 13,320.99
  4. Step 4: Simplify right side
    35,519.72x = 709,550,824.67
  5. Step 5: Solve for x
    x = 709,550,824.67/35,519.72
  6. Step 6: Final answer
    x = 19,976.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.