Home / 13,751.92-18,977.52-7,464.16

Finding the Fourth Proportional to 13,751.92, 18,977.52 and 7,464.16

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Solution

The fourth proportional to 13,751.92, 18,977.52 and 7,464.16 is: 10,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.92 : 18,977.52 = 7,464.16 : x
  2. Step 2: Convert to fraction form
    13,751.92/18,977.52 = 7,464.16/x
  3. Step 3: Cross multiply
    13,751.92x = 18,977.52 × 7,464.16
  4. Step 4: Simplify right side
    13,751.92x = 141,651,245.68
  5. Step 5: Solve for x
    x = 141,651,245.68/13,751.92
  6. Step 6: Final answer
    x = 10,300.47

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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.