Home / 19,399.61-26,771.44-10,901.76

Finding the Fourth Proportional to 19,399.61, 26,771.44 and 10,901.76

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Solution

The fourth proportional to 19,399.61, 26,771.44 and 10,901.76 is: 15,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.61 : 26,771.44 = 10,901.76 : x
  2. Step 2: Convert to fraction form
    19,399.61/26,771.44 = 10,901.76/x
  3. Step 3: Cross multiply
    19,399.61x = 26,771.44 × 10,901.76
  4. Step 4: Simplify right side
    19,399.61x = 291,855,813.73
  5. Step 5: Solve for x
    x = 291,855,813.73/19,399.61
  6. Step 6: Final answer
    x = 15,044.42

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Half scale
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Double scale
Find fourth proportional to 19,400.61, 26,772.82 and 10,902.76
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.