Home / 19,122.56-26,389.45-10,625.44

Finding the Fourth Proportional to 19,122.56, 26,389.45 and 10,625.44

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Solution

The fourth proportional to 19,122.56, 26,389.45 and 10,625.44 is: 14,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.56 : 26,389.45 = 10,625.44 : x
  2. Step 2: Convert to fraction form
    19,122.56/26,389.45 = 10,625.44/x
  3. Step 3: Cross multiply
    19,122.56x = 26,389.45 × 10,625.44
  4. Step 4: Simplify right side
    19,122.56x = 280,399,517.61
  5. Step 5: Solve for x
    x = 280,399,517.61/19,122.56
  6. Step 6: Final answer
    x = 14,663.28

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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.