Home / 13,165.28-19,752.80-6,149.24

Finding the Fourth Proportional to 13,165.28, 19,752.80 and 6,149.24

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Solution

The fourth proportional to 13,165.28, 19,752.80 and 6,149.24 is: 9,226.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.28 : 19,752.80 = 6,149.24 : x
  2. Step 2: Convert to fraction form
    13,165.28/19,752.80 = 6,149.24/x
  3. Step 3: Cross multiply
    13,165.28x = 19,752.80 × 6,149.24
  4. Step 4: Simplify right side
    13,165.28x = 121,464,707.87
  5. Step 5: Solve for x
    x = 121,464,707.87/13,165.28
  6. Step 6: Final answer
    x = 9,226.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.