Home / 19,701.04-27,168.46-13,255.19

Finding the Fourth Proportional to 19,701.04, 27,168.46 and 13,255.19

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Solution

The fourth proportional to 19,701.04, 27,168.46 and 13,255.19 is: 18,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.04 : 27,168.46 = 13,255.19 : x
  2. Step 2: Convert to fraction form
    19,701.04/27,168.46 = 13,255.19/x
  3. Step 3: Cross multiply
    19,701.04x = 27,168.46 × 13,255.19
  4. Step 4: Simplify right side
    19,701.04x = 360,123,259.59
  5. Step 5: Solve for x
    x = 360,123,259.59/19,701.04
  6. Step 6: Final answer
    x = 18,279.41

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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.