Home / 19,112.30-26,376.40-11,558.92

Finding the Fourth Proportional to 19,112.30, 26,376.40 and 11,558.92

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Solution

The fourth proportional to 19,112.30, 26,376.40 and 11,558.92 is: 15,952.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.30 : 26,376.40 = 11,558.92 : x
  2. Step 2: Convert to fraction form
    19,112.30/26,376.40 = 11,558.92/x
  3. Step 3: Cross multiply
    19,112.30x = 26,376.40 × 11,558.92
  4. Step 4: Simplify right side
    19,112.30x = 304,882,697.49
  5. Step 5: Solve for x
    x = 304,882,697.49/19,112.30
  6. Step 6: Final answer
    x = 15,952.17

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Half scale
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Double scale
Find fourth proportional to 19,113.30, 26,377.78 and 11,559.92
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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.