Home / 17,316.60-25,969.14-6,221.40

Finding the Fourth Proportional to 17,316.60, 25,969.14 and 6,221.40

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Solution

The fourth proportional to 17,316.60, 25,969.14 and 6,221.40 is: 9,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,316.60 : 25,969.14 = 6,221.40 : x
  2. Step 2: Convert to fraction form
    17,316.60/25,969.14 = 6,221.40/x
  3. Step 3: Cross multiply
    17,316.60x = 25,969.14 × 6,221.40
  4. Step 4: Simplify right side
    17,316.60x = 161,564,407.60
  5. Step 5: Solve for x
    x = 161,564,407.60/17,316.60
  6. Step 6: Final answer
    x = 9,330.03

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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.