Home / 19,899.72-29,843.64-14,336.28

Finding the Fourth Proportional to 19,899.72, 29,843.64 and 14,336.28

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Solution

The fourth proportional to 19,899.72, 29,843.64 and 14,336.28 is: 21,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.72 : 29,843.64 = 14,336.28 : x
  2. Step 2: Convert to fraction form
    19,899.72/29,843.64 = 14,336.28/x
  3. Step 3: Cross multiply
    19,899.72x = 29,843.64 × 14,336.28
  4. Step 4: Simplify right side
    19,899.72x = 427,846,779.26
  5. Step 5: Solve for x
    x = 427,846,779.26/19,899.72
  6. Step 6: Final answer
    x = 21,500.14

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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.