Home / 13,167.88-19,734.98-5,770.36

Finding the Fourth Proportional to 13,167.88, 19,734.98 and 5,770.36

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Solution

The fourth proportional to 13,167.88, 19,734.98 and 5,770.36 is: 8,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.88 : 19,734.98 = 5,770.36 : x
  2. Step 2: Convert to fraction form
    13,167.88/19,734.98 = 5,770.36/x
  3. Step 3: Cross multiply
    13,167.88x = 19,734.98 × 5,770.36
  4. Step 4: Simplify right side
    13,167.88x = 113,877,939.19
  5. Step 5: Solve for x
    x = 113,877,939.19/13,167.88
  6. Step 6: Final answer
    x = 8,648.16

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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.