Home / 19,193.76-26,490.78-15,245.01

Finding the Fourth Proportional to 19,193.76, 26,490.78 and 15,245.01

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Solution

The fourth proportional to 19,193.76, 26,490.78 and 15,245.01 is: 21,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.76 : 26,490.78 = 15,245.01 : x
  2. Step 2: Convert to fraction form
    19,193.76/26,490.78 = 15,245.01/x
  3. Step 3: Cross multiply
    19,193.76x = 26,490.78 × 15,245.01
  4. Step 4: Simplify right side
    19,193.76x = 403,852,206.01
  5. Step 5: Solve for x
    x = 403,852,206.01/19,193.76
  6. Step 6: Final answer
    x = 21,040.81

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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.