Home / 13,269.88-18,313.31-7,301.93

Finding the Fourth Proportional to 13,269.88, 18,313.31 and 7,301.93

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Solution

The fourth proportional to 13,269.88, 18,313.31 and 7,301.93 is: 10,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.88 : 18,313.31 = 7,301.93 : x
  2. Step 2: Convert to fraction form
    13,269.88/18,313.31 = 7,301.93/x
  3. Step 3: Cross multiply
    13,269.88x = 18,313.31 × 7,301.93
  4. Step 4: Simplify right side
    13,269.88x = 133,722,507.93
  5. Step 5: Solve for x
    x = 133,722,507.93/13,269.88
  6. Step 6: Final answer
    x = 10,077.15

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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.