Home / 19,191.72-26,484.51-10,694.21

Finding the Fourth Proportional to 19,191.72, 26,484.51 and 10,694.21

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Solution

The fourth proportional to 19,191.72, 26,484.51 and 10,694.21 is: 14,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.72 : 26,484.51 = 10,694.21 : x
  2. Step 2: Convert to fraction form
    19,191.72/26,484.51 = 10,694.21/x
  3. Step 3: Cross multiply
    19,191.72x = 26,484.51 × 10,694.21
  4. Step 4: Simplify right side
    19,191.72x = 283,230,779.26
  5. Step 5: Solve for x
    x = 283,230,779.26/19,191.72
  6. Step 6: Final answer
    x = 14,757.97

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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.