Home / 13,272.03-18,316.22-7,305.02

Finding the Fourth Proportional to 13,272.03, 18,316.22 and 7,305.02

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Solution

The fourth proportional to 13,272.03, 18,316.22 and 7,305.02 is: 10,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.03 : 18,316.22 = 7,305.02 : x
  2. Step 2: Convert to fraction form
    13,272.03/18,316.22 = 7,305.02/x
  3. Step 3: Cross multiply
    13,272.03x = 18,316.22 × 7,305.02
  4. Step 4: Simplify right side
    13,272.03x = 133,800,225.32
  5. Step 5: Solve for x
    x = 133,800,225.32/13,272.03
  6. Step 6: Final answer
    x = 10,081.37

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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.