Home / 13,351.65-18,425.67-7,302.25

Finding the Fourth Proportional to 13,351.65, 18,425.67 and 7,302.25

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Solution

The fourth proportional to 13,351.65, 18,425.67 and 7,302.25 is: 10,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.65 : 18,425.67 = 7,302.25 : x
  2. Step 2: Convert to fraction form
    13,351.65/18,425.67 = 7,302.25/x
  3. Step 3: Cross multiply
    13,351.65x = 18,425.67 × 7,302.25
  4. Step 4: Simplify right side
    13,351.65x = 134,548,720.12
  5. Step 5: Solve for x
    x = 134,548,720.12/13,351.65
  6. Step 6: Final answer
    x = 10,077.31

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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.