Home / 21,924.76-30,236.32-14,368.38

Finding the Fourth Proportional to 21,924.76, 30,236.32 and 14,368.38

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Solution

The fourth proportional to 21,924.76, 30,236.32 and 14,368.38 is: 19,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.76 : 30,236.32 = 14,368.38 : x
  2. Step 2: Convert to fraction form
    21,924.76/30,236.32 = 14,368.38/x
  3. Step 3: Cross multiply
    21,924.76x = 30,236.32 × 14,368.38
  4. Step 4: Simplify right side
    21,924.76x = 434,446,935.56
  5. Step 5: Solve for x
    x = 434,446,935.56/21,924.76
  6. Step 6: Final answer
    x = 19,815.36

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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.