Home / 13,694.08-20,535.72-7,459.24

Finding the Fourth Proportional to 13,694.08, 20,535.72 and 7,459.24

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Solution

The fourth proportional to 13,694.08, 20,535.72 and 7,459.24 is: 11,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.08 : 20,535.72 = 7,459.24 : x
  2. Step 2: Convert to fraction form
    13,694.08/20,535.72 = 7,459.24/x
  3. Step 3: Cross multiply
    13,694.08x = 20,535.72 × 7,459.24
  4. Step 4: Simplify right side
    13,694.08x = 153,180,864.05
  5. Step 5: Solve for x
    x = 153,180,864.05/13,694.08
  6. Step 6: Final answer
    x = 11,185.92

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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.