Home / 13,764.36-20,646.54-5,973

Finding the Fourth Proportional to 13,764.36, 20,646.54 and 5,973

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Solution

The fourth proportional to 13,764.36, 20,646.54 and 5,973 is: 8,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.36 : 20,646.54 = 5,973 : x
  2. Step 2: Convert to fraction form
    13,764.36/20,646.54 = 5,973/x
  3. Step 3: Cross multiply
    13,764.36x = 20,646.54 × 5,973
  4. Step 4: Simplify right side
    13,764.36x = 123,321,783.42
  5. Step 5: Solve for x
    x = 123,321,783.42/13,764.36
  6. Step 6: Final answer
    x = 8,959.50

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Half scale
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Double scale
Find fourth proportional to 13,765.36, 20,648.04 and 5,974
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.