Home / 13,301.12-18,355.66-7,333.00

Finding the Fourth Proportional to 13,301.12, 18,355.66 and 7,333.00

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Solution

The fourth proportional to 13,301.12, 18,355.66 and 7,333.00 is: 10,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.12 : 18,355.66 = 7,333.00 : x
  2. Step 2: Convert to fraction form
    13,301.12/18,355.66 = 7,333.00/x
  3. Step 3: Cross multiply
    13,301.12x = 18,355.66 × 7,333.00
  4. Step 4: Simplify right side
    13,301.12x = 134,601,990.56
  5. Step 5: Solve for x
    x = 134,601,990.56/13,301.12
  6. Step 6: Final answer
    x = 10,119.60

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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.