Home / 13,182.04-19,779.88-5,791.68

Finding the Fourth Proportional to 13,182.04, 19,779.88 and 5,791.68

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Solution

The fourth proportional to 13,182.04, 19,779.88 and 5,791.68 is: 8,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.04 : 19,779.88 = 5,791.68 : x
  2. Step 2: Convert to fraction form
    13,182.04/19,779.88 = 5,791.68/x
  3. Step 3: Cross multiply
    13,182.04x = 19,779.88 × 5,791.68
  4. Step 4: Simplify right side
    13,182.04x = 114,558,735.40
  5. Step 5: Solve for x
    x = 114,558,735.40/13,182.04
  6. Step 6: Final answer
    x = 8,690.52

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1.5x scale

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.