Home / 19,388.77-26,756.26-11,004.73

Finding the Fourth Proportional to 19,388.77, 26,756.26 and 11,004.73

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Solution

The fourth proportional to 19,388.77, 26,756.26 and 11,004.73 is: 15,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.77 : 26,756.26 = 11,004.73 : x
  2. Step 2: Convert to fraction form
    19,388.77/26,756.26 = 11,004.73/x
  3. Step 3: Cross multiply
    19,388.77x = 26,756.26 × 11,004.73
  4. Step 4: Simplify right side
    19,388.77x = 294,445,417.11
  5. Step 5: Solve for x
    x = 294,445,417.11/19,388.77
  6. Step 6: Final answer
    x = 15,186.39

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Half scale
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Double scale
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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.