Home / 19,213.04-26,509.49-11,659.19

Finding the Fourth Proportional to 19,213.04, 26,509.49 and 11,659.19

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Solution

The fourth proportional to 19,213.04, 26,509.49 and 11,659.19 is: 16,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.04 : 26,509.49 = 11,659.19 : x
  2. Step 2: Convert to fraction form
    19,213.04/26,509.49 = 11,659.19/x
  3. Step 3: Cross multiply
    19,213.04x = 26,509.49 × 11,659.19
  4. Step 4: Simplify right side
    19,213.04x = 309,078,989.87
  5. Step 5: Solve for x
    x = 309,078,989.87/19,213.04
  6. Step 6: Final answer
    x = 16,086.94

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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.