Home / 14,455.26-19,948.68-8,167.50

Finding the Fourth Proportional to 14,455.26, 19,948.68 and 8,167.50

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Solution

The fourth proportional to 14,455.26, 19,948.68 and 8,167.50 is: 11,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.26 : 19,948.68 = 8,167.50 : x
  2. Step 2: Convert to fraction form
    14,455.26/19,948.68 = 8,167.50/x
  3. Step 3: Cross multiply
    14,455.26x = 19,948.68 × 8,167.50
  4. Step 4: Simplify right side
    14,455.26x = 162,930,843.90
  5. Step 5: Solve for x
    x = 162,930,843.90/14,455.26
  6. Step 6: Final answer
    x = 11,271.39

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1.5x scale

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.