Home / 13,323.33-18,386.20-7,355.00

Finding the Fourth Proportional to 13,323.33, 18,386.20 and 7,355.00

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Solution

The fourth proportional to 13,323.33, 18,386.20 and 7,355.00 is: 10,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.33 : 18,386.20 = 7,355.00 : x
  2. Step 2: Convert to fraction form
    13,323.33/18,386.20 = 7,355.00/x
  3. Step 3: Cross multiply
    13,323.33x = 18,386.20 × 7,355.00
  4. Step 4: Simplify right side
    13,323.33x = 135,230,556.16
  5. Step 5: Solve for x
    x = 135,230,556.16/13,323.33
  6. Step 6: Final answer
    x = 10,149.91

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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.