Home / 14,214.26-19,615.44-7,841.47

Finding the Fourth Proportional to 14,214.26, 19,615.44 and 7,841.47

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Solution

The fourth proportional to 14,214.26, 19,615.44 and 7,841.47 is: 10,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.26 : 19,615.44 = 7,841.47 : x
  2. Step 2: Convert to fraction form
    14,214.26/19,615.44 = 7,841.47/x
  3. Step 3: Cross multiply
    14,214.26x = 19,615.44 × 7,841.47
  4. Step 4: Simplify right side
    14,214.26x = 153,813,884.30
  5. Step 5: Solve for x
    x = 153,813,884.30/14,214.26
  6. Step 6: Final answer
    x = 10,821.10

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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.