Home / 17,220.30-23,765.18-9,667.18

Finding the Fourth Proportional to 17,220.30, 23,765.18 and 9,667.18

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Solution

The fourth proportional to 17,220.30, 23,765.18 and 9,667.18 is: 13,341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.30 : 23,765.18 = 9,667.18 : x
  2. Step 2: Convert to fraction form
    17,220.30/23,765.18 = 9,667.18/x
  3. Step 3: Cross multiply
    17,220.30x = 23,765.18 × 9,667.18
  4. Step 4: Simplify right side
    17,220.30x = 229,742,272.79
  5. Step 5: Solve for x
    x = 229,742,272.79/17,220.30
  6. Step 6: Final answer
    x = 13,341.36

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Half scale
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Double scale
Find fourth proportional to 17,221.30, 23,766.56 and 9,668.18
Similar ratio
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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.