Home / 19,171.64-26,456.54-10,788.14

Finding the Fourth Proportional to 19,171.64, 26,456.54 and 10,788.14

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Solution

The fourth proportional to 19,171.64, 26,456.54 and 10,788.14 is: 14,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.64 : 26,456.54 = 10,788.14 : x
  2. Step 2: Convert to fraction form
    19,171.64/26,456.54 = 10,788.14/x
  3. Step 3: Cross multiply
    19,171.64x = 26,456.54 × 10,788.14
  4. Step 4: Simplify right side
    19,171.64x = 285,416,857.44
  5. Step 5: Solve for x
    x = 285,416,857.44/19,171.64
  6. Step 6: Final answer
    x = 14,887.45

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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.