Home / 13,233.30-18,261.90-7,265.08

Finding the Fourth Proportional to 13,233.30, 18,261.90 and 7,265.08

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Solution

The fourth proportional to 13,233.30, 18,261.90 and 7,265.08 is: 10,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.30 : 18,261.90 = 7,265.08 : x
  2. Step 2: Convert to fraction form
    13,233.30/18,261.90 = 7,265.08/x
  3. Step 3: Cross multiply
    13,233.30x = 18,261.90 × 7,265.08
  4. Step 4: Simplify right side
    13,233.30x = 132,674,164.45
  5. Step 5: Solve for x
    x = 132,674,164.45/13,233.30
  6. Step 6: Final answer
    x = 10,025.78

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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.