Home / 14,448.19-21,672.30-5,678.32

Finding the Fourth Proportional to 14,448.19, 21,672.30 and 5,678.32

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Solution

The fourth proportional to 14,448.19, 21,672.30 and 5,678.32 is: 8,517.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.19 : 21,672.30 = 5,678.32 : x
  2. Step 2: Convert to fraction form
    14,448.19/21,672.30 = 5,678.32/x
  3. Step 3: Cross multiply
    14,448.19x = 21,672.30 × 5,678.32
  4. Step 4: Simplify right side
    14,448.19x = 123,062,254.54
  5. Step 5: Solve for x
    x = 123,062,254.54/14,448.19
  6. Step 6: Final answer
    x = 8,517.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.