Home / 18,291.69-27,434.72-5,810.09

Finding the Fourth Proportional to 18,291.69, 27,434.72 and 5,810.09

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Solution

The fourth proportional to 18,291.69, 27,434.72 and 5,810.09 is: 8,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.69 : 27,434.72 = 5,810.09 : x
  2. Step 2: Convert to fraction form
    18,291.69/27,434.72 = 5,810.09/x
  3. Step 3: Cross multiply
    18,291.69x = 27,434.72 × 5,810.09
  4. Step 4: Simplify right side
    18,291.69x = 159,398,275.44
  5. Step 5: Solve for x
    x = 159,398,275.44/18,291.69
  6. Step 6: Final answer
    x = 8,714.25

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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.