Home / 13,047.33-19,570.92-3,186.53

Finding the Fourth Proportional to 13,047.33, 19,570.92 and 3,186.53

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Solution

The fourth proportional to 13,047.33, 19,570.92 and 3,186.53 is: 4,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.33 : 19,570.92 = 3,186.53 : x
  2. Step 2: Convert to fraction form
    13,047.33/19,570.92 = 3,186.53/x
  3. Step 3: Cross multiply
    13,047.33x = 19,570.92 × 3,186.53
  4. Step 4: Simplify right side
    13,047.33x = 62,363,259.77
  5. Step 5: Solve for x
    x = 62,363,259.77/13,047.33
  6. Step 6: Final answer
    x = 4,779.77

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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.