Home / 35,512.69-53,255.13-13,313.96

Finding the Fourth Proportional to 35,512.69, 53,255.13 and 13,313.96

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Solution

The fourth proportional to 35,512.69, 53,255.13 and 13,313.96 is: 19,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.69 : 53,255.13 = 13,313.96 : x
  2. Step 2: Convert to fraction form
    35,512.69/53,255.13 = 13,313.96/x
  3. Step 3: Cross multiply
    35,512.69x = 53,255.13 × 13,313.96
  4. Step 4: Simplify right side
    35,512.69x = 709,036,670.61
  5. Step 5: Solve for x
    x = 709,036,670.61/35,512.69
  6. Step 6: Final answer
    x = 19,965.73

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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.