Home / 12,725.72-17,575.22-9,926.36

Finding the Fourth Proportional to 12,725.72, 17,575.22 and 9,926.36

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Solution

The fourth proportional to 12,725.72, 17,575.22 and 9,926.36 is: 13,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.72 : 17,575.22 = 9,926.36 : x
  2. Step 2: Convert to fraction form
    12,725.72/17,575.22 = 9,926.36/x
  3. Step 3: Cross multiply
    12,725.72x = 17,575.22 × 9,926.36
  4. Step 4: Simplify right side
    12,725.72x = 174,457,823.29
  5. Step 5: Solve for x
    x = 174,457,823.29/12,725.72
  6. Step 6: Final answer
    x = 13,709.08

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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.