Home / 27,641.50-38,115.13-18,673.44

Finding the Fourth Proportional to 27,641.50, 38,115.13 and 18,673.44

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Solution

The fourth proportional to 27,641.50, 38,115.13 and 18,673.44 is: 25,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,641.50 : 38,115.13 = 18,673.44 : x
  2. Step 2: Convert to fraction form
    27,641.50/38,115.13 = 18,673.44/x
  3. Step 3: Cross multiply
    27,641.50x = 38,115.13 × 18,673.44
  4. Step 4: Simplify right side
    27,641.50x = 711,740,491.06
  5. Step 5: Solve for x
    x = 711,740,491.06/27,641.50
  6. Step 6: Final answer
    x = 25,748.98

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Half scale
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Double scale
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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.