Home / 17,316.79-25,956.65-6,220.40

Finding the Fourth Proportional to 17,316.79, 25,956.65 and 6,220.40

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Solution

The fourth proportional to 17,316.79, 25,956.65 and 6,220.40 is: 9,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,316.79 : 25,956.65 = 6,220.40 : x
  2. Step 2: Convert to fraction form
    17,316.79/25,956.65 = 6,220.40/x
  3. Step 3: Cross multiply
    17,316.79x = 25,956.65 × 6,220.40
  4. Step 4: Simplify right side
    17,316.79x = 161,460,631.43
  5. Step 5: Solve for x
    x = 161,460,631.43/17,316.79
  6. Step 6: Final answer
    x = 9,323.94

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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.