Home / 19,123.52-26,394.24-12,220.27

Finding the Fourth Proportional to 19,123.52, 26,394.24 and 12,220.27

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Solution

The fourth proportional to 19,123.52, 26,394.24 and 12,220.27 is: 16,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.52 : 26,394.24 = 12,220.27 : x
  2. Step 2: Convert to fraction form
    19,123.52/26,394.24 = 12,220.27/x
  3. Step 3: Cross multiply
    19,123.52x = 26,394.24 × 12,220.27
  4. Step 4: Simplify right side
    19,123.52x = 322,544,673.26
  5. Step 5: Solve for x
    x = 322,544,673.26/19,123.52
  6. Step 6: Final answer
    x = 16,866.38

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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.