Home / 13,227.48-18,253.80-7,259.04

Finding the Fourth Proportional to 13,227.48, 18,253.80 and 7,259.04

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Solution

The fourth proportional to 13,227.48, 18,253.80 and 7,259.04 is: 10,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.48 : 18,253.80 = 7,259.04 : x
  2. Step 2: Convert to fraction form
    13,227.48/18,253.80 = 7,259.04/x
  3. Step 3: Cross multiply
    13,227.48x = 18,253.80 × 7,259.04
  4. Step 4: Simplify right side
    13,227.48x = 132,505,064.35
  5. Step 5: Solve for x
    x = 132,505,064.35/13,227.48
  6. Step 6: Final answer
    x = 10,017.41

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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.