Home / 13,752.06-18,977.91-7,464.42

Finding the Fourth Proportional to 13,752.06, 18,977.91 and 7,464.42

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Solution

The fourth proportional to 13,752.06, 18,977.91 and 7,464.42 is: 10,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.06 : 18,977.91 = 7,464.42 : x
  2. Step 2: Convert to fraction form
    13,752.06/18,977.91 = 7,464.42/x
  3. Step 3: Cross multiply
    13,752.06x = 18,977.91 × 7,464.42
  4. Step 4: Simplify right side
    13,752.06x = 141,659,090.96
  5. Step 5: Solve for x
    x = 141,659,090.96/13,752.06
  6. Step 6: Final answer
    x = 10,300.94

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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.