Home / 27,718.08-38,233.44-19,331.52

Finding the Fourth Proportional to 27,718.08, 38,233.44 and 19,331.52

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Solution

The fourth proportional to 27,718.08, 38,233.44 and 19,331.52 is: 26,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.08 : 38,233.44 = 19,331.52 : x
  2. Step 2: Convert to fraction form
    27,718.08/38,233.44 = 19,331.52/x
  3. Step 3: Cross multiply
    27,718.08x = 38,233.44 × 19,331.52
  4. Step 4: Simplify right side
    27,718.08x = 739,110,510.03
  5. Step 5: Solve for x
    x = 739,110,510.03/27,718.08
  6. Step 6: Final answer
    x = 26,665.29

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Half scale
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Double scale
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Similar ratio
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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.