Home / 13,008.60-19,525.05-11,161.80

Finding the Fourth Proportional to 13,008.60, 19,525.05 and 11,161.80

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Solution

The fourth proportional to 13,008.60, 19,525.05 and 11,161.80 is: 16,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.60 : 19,525.05 = 11,161.80 : x
  2. Step 2: Convert to fraction form
    13,008.60/19,525.05 = 11,161.80/x
  3. Step 3: Cross multiply
    13,008.60x = 19,525.05 × 11,161.80
  4. Step 4: Simplify right side
    13,008.60x = 217,934,703.09
  5. Step 5: Solve for x
    x = 217,934,703.09/13,008.60
  6. Step 6: Final answer
    x = 16,753.13

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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.