Home / 14,175.36-21,243.60-8,971.92

Finding the Fourth Proportional to 14,175.36, 21,243.60 and 8,971.92

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Solution

The fourth proportional to 14,175.36, 21,243.60 and 8,971.92 is: 13,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.36 : 21,243.60 = 8,971.92 : x
  2. Step 2: Convert to fraction form
    14,175.36/21,243.60 = 8,971.92/x
  3. Step 3: Cross multiply
    14,175.36x = 21,243.60 × 8,971.92
  4. Step 4: Simplify right side
    14,175.36x = 190,595,879.71
  5. Step 5: Solve for x
    x = 190,595,879.71/14,175.36
  6. Step 6: Final answer
    x = 13,445.58

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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.