Home / 13,829.25-19,085.81-8,523.93

Finding the Fourth Proportional to 13,829.25, 19,085.81 and 8,523.93

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Solution

The fourth proportional to 13,829.25, 19,085.81 and 8,523.93 is: 11,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.25 : 19,085.81 = 8,523.93 : x
  2. Step 2: Convert to fraction form
    13,829.25/19,085.81 = 8,523.93/x
  3. Step 3: Cross multiply
    13,829.25x = 19,085.81 × 8,523.93
  4. Step 4: Simplify right side
    13,829.25x = 162,686,065.81
  5. Step 5: Solve for x
    x = 162,686,065.81/13,829.25
  6. Step 6: Final answer
    x = 11,763.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.