Home / 13,751.04-18,975.88-7,463.28

Finding the Fourth Proportional to 13,751.04, 18,975.88 and 7,463.28

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Solution

The fourth proportional to 13,751.04, 18,975.88 and 7,463.28 is: 10,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.04 : 18,975.88 = 7,463.28 : x
  2. Step 2: Convert to fraction form
    13,751.04/18,975.88 = 7,463.28/x
  3. Step 3: Cross multiply
    13,751.04x = 18,975.88 × 7,463.28
  4. Step 4: Simplify right side
    13,751.04x = 141,622,305.69
  5. Step 5: Solve for x
    x = 141,622,305.69/13,751.04
  6. Step 6: Final answer
    x = 10,299.03

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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.