Home / 19,417.54-29,126.30-15,503.62

Finding the Fourth Proportional to 19,417.54, 29,126.30 and 15,503.62

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Solution

The fourth proportional to 19,417.54, 29,126.30 and 15,503.62 is: 23,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.54 : 29,126.30 = 15,503.62 : x
  2. Step 2: Convert to fraction form
    19,417.54/29,126.30 = 15,503.62/x
  3. Step 3: Cross multiply
    19,417.54x = 29,126.30 × 15,503.62
  4. Step 4: Simplify right side
    19,417.54x = 451,563,087.21
  5. Step 5: Solve for x
    x = 451,563,087.21/19,417.54
  6. Step 6: Final answer
    x = 23,255.42

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.