Home / 13,614.24-18,786.96-7,646.16

Finding the Fourth Proportional to 13,614.24, 18,786.96 and 7,646.16

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Solution

The fourth proportional to 13,614.24, 18,786.96 and 7,646.16 is: 10,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.24 : 18,786.96 = 7,646.16 : x
  2. Step 2: Convert to fraction form
    13,614.24/18,786.96 = 7,646.16/x
  3. Step 3: Cross multiply
    13,614.24x = 18,786.96 × 7,646.16
  4. Step 4: Simplify right side
    13,614.24x = 143,648,102.07
  5. Step 5: Solve for x
    x = 143,648,102.07/13,614.24
  6. Step 6: Final answer
    x = 10,551.31

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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.