Home / 13,036.57-17,991.49-11,008.81

Finding the Fourth Proportional to 13,036.57, 17,991.49 and 11,008.81

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Solution

The fourth proportional to 13,036.57, 17,991.49 and 11,008.81 is: 15,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.57 : 17,991.49 = 11,008.81 : x
  2. Step 2: Convert to fraction form
    13,036.57/17,991.49 = 11,008.81/x
  3. Step 3: Cross multiply
    13,036.57x = 17,991.49 × 11,008.81
  4. Step 4: Simplify right side
    13,036.57x = 198,064,941.60
  5. Step 5: Solve for x
    x = 198,064,941.60/13,036.57
  6. Step 6: Final answer
    x = 15,193.03

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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.