Home / 13,718.22-20,570.33-6,316.26

Finding the Fourth Proportional to 13,718.22, 20,570.33 and 6,316.26

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Solution

The fourth proportional to 13,718.22, 20,570.33 and 6,316.26 is: 9,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.22 : 20,570.33 = 6,316.26 : x
  2. Step 2: Convert to fraction form
    13,718.22/20,570.33 = 6,316.26/x
  3. Step 3: Cross multiply
    13,718.22x = 20,570.33 × 6,316.26
  4. Step 4: Simplify right side
    13,718.22x = 129,927,520.98
  5. Step 5: Solve for x
    x = 129,927,520.98/13,718.22
  6. Step 6: Final answer
    x = 9,471.16

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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.