Home / 43,055.97-64,587.68-11,891.22

Finding the Fourth Proportional to 43,055.97, 64,587.68 and 11,891.22

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Solution

The fourth proportional to 43,055.97, 64,587.68 and 11,891.22 is: 17,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,055.97 : 64,587.68 = 11,891.22 : x
  2. Step 2: Convert to fraction form
    43,055.97/64,587.68 = 11,891.22/x
  3. Step 3: Cross multiply
    43,055.97x = 64,587.68 × 11,891.22
  4. Step 4: Simplify right side
    43,055.97x = 768,026,252.71
  5. Step 5: Solve for x
    x = 768,026,252.71/43,055.97
  6. Step 6: Final answer
    x = 17,837.86

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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.