Home / 35,490.75-53,245.13-13,304.19

Finding the Fourth Proportional to 35,490.75, 53,245.13 and 13,304.19

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Solution

The fourth proportional to 35,490.75, 53,245.13 and 13,304.19 is: 19,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490.75 : 53,245.13 = 13,304.19 : x
  2. Step 2: Convert to fraction form
    35,490.75/53,245.13 = 13,304.19/x
  3. Step 3: Cross multiply
    35,490.75x = 53,245.13 × 13,304.19
  4. Step 4: Simplify right side
    35,490.75x = 708,383,259.57
  5. Step 5: Solve for x
    x = 708,383,259.57/35,490.75
  6. Step 6: Final answer
    x = 19,959.66

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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.