Home / 31,509.97-43,482.04-19,573.09

Finding the Fourth Proportional to 31,509.97, 43,482.04 and 19,573.09

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Solution

The fourth proportional to 31,509.97, 43,482.04 and 19,573.09 is: 27,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.97 : 43,482.04 = 19,573.09 : x
  2. Step 2: Convert to fraction form
    31,509.97/43,482.04 = 19,573.09/x
  3. Step 3: Cross multiply
    31,509.97x = 43,482.04 × 19,573.09
  4. Step 4: Simplify right side
    31,509.97x = 851,077,724.67
  5. Step 5: Solve for x
    x = 851,077,724.67/31,509.97
  6. Step 6: Final answer
    x = 27,009.79

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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.