Home / 35,809.31-53,713.98-13,617.56

Finding the Fourth Proportional to 35,809.31, 53,713.98 and 13,617.56

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Solution

The fourth proportional to 35,809.31, 53,713.98 and 13,617.56 is: 20,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,809.31 : 53,713.98 = 13,617.56 : x
  2. Step 2: Convert to fraction form
    35,809.31/53,713.98 = 13,617.56/x
  3. Step 3: Cross multiply
    35,809.31x = 53,713.98 × 13,617.56
  4. Step 4: Simplify right side
    35,809.31x = 731,453,076.92
  5. Step 5: Solve for x
    x = 731,453,076.92/35,809.31
  6. Step 6: Final answer
    x = 20,426.34

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1.5x scale

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.