Home / 13,323.44-18,386.35-7,355.11

Finding the Fourth Proportional to 13,323.44, 18,386.35 and 7,355.11

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Solution

The fourth proportional to 13,323.44, 18,386.35 and 7,355.11 is: 10,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.44 : 18,386.35 = 7,355.11 : x
  2. Step 2: Convert to fraction form
    13,323.44/18,386.35 = 7,355.11/x
  3. Step 3: Cross multiply
    13,323.44x = 18,386.35 × 7,355.11
  4. Step 4: Simplify right side
    13,323.44x = 135,233,562.39
  5. Step 5: Solve for x
    x = 135,233,562.39/13,323.44
  6. Step 6: Final answer
    x = 10,150.05

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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.